How fast is the Internet on board Iceland Air flights?











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Iceland Air offers wireless internet connectivity on all flights. How fast is it in practice?










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    about 900 km/h ...
    – njzk2
    Nov 19 at 4:56















up vote
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Iceland Air offers wireless internet connectivity on all flights. How fast is it in practice?










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  • 2




    about 900 km/h ...
    – njzk2
    Nov 19 at 4:56













up vote
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favorite









up vote
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Iceland Air offers wireless internet connectivity on all flights. How fast is it in practice?










share|improve this question















Iceland Air offers wireless internet connectivity on all flights. How fast is it in practice?







air-travel internet icelandair






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edited Nov 17 at 13:07

























asked Nov 17 at 12:44









JonathanReez

47.7k37223485




47.7k37223485








  • 2




    about 900 km/h ...
    – njzk2
    Nov 19 at 4:56














  • 2




    about 900 km/h ...
    – njzk2
    Nov 19 at 4:56








2




2




about 900 km/h ...
– njzk2
Nov 19 at 4:56




about 900 km/h ...
– njzk2
Nov 19 at 4:56










2 Answers
2






active

oldest

votes

















up vote
23
down vote



accepted










It will depend a lot on how many other passengers are using the service, not only in your aircraft, but also in other aircrafts within the same region. Icelandair is not throttling the speed artificially, so you get what is currently technically feasible, but how much that is will depend on many factors. The technically available bandwidth is rather mediocre compared to fixed broadband services or ground-based cellular or wireless networks.



Across the Atlantic and above Iceland and North America, Icelandair is serviced by Viasat. Above UK, Ireland and the rest of Europe, they are using services from the Eutelsat KA-SAT satellite. I don't know the technical details of the Viasat service, but KA-SAT is covering almost entire Europe with 82 spot-beams, each having an available data rate of 475 Mbit/s. That may sound a lot, but even if the spot-beams vary by size, they are in the range of plus/minus 100,000km². Almost the entire eastern part of Great Britain (east of a line through London, Manchester, Edinburgh) is for example covered by only one spot-beam and all users in this area must share the available 475 Mbit/s. Each connection (between the aircraft and satellite) is limited to 20 Mbit/s. Viasat/Eutelsat is not only serving Icelandair, but also other airlines and at least in Europe, Eutelsat also use the same satellite to provide ground-based internet access in remote locations.



So at least over Europe: If you are the single user in your aircraft and there is not much traffic in the area, you can in theory get up to 20 Mbit/s.



If there are more users of the service, all users in the same aircraft must share 20 MBit/s. E.g. if ten passengers are currently downloading or streaming something, each passenger will only have 2 Mbit/s available.



All users within the same spot-beam must share the available 475 Mbit/s. If you still need e.g. 2 Mbit/s for a specific service, there may also not be more than about 240 users in the same region simultaneously using the service.



Since the size of the spot-beams is defined by geometry and not by traffic or population density (the beams get larger and more elongated the further north you are), you must expect the available bandwith to fluctuate significantly depending on where the aircraft is located.



I must admit that I've never flown Icelandair, but have used or tried to use internet access quite a lot on other airlines in Europe, which use technical solutions with similar parameters. On a good day, it is neither impossible nor unlikely to reach bandwidths as measured by Jonathan Reez (7.5 Mbit/s). More often than not, the network can however also be clogged and annoyingly slow, making it difficult enough to browse simple web pages.






share|improve this answer

















  • 2




    You are totally right, the speed dropped significantly once the plane reached the Atlantic ocean.
    – JonathanReez
    Nov 17 at 14:53






  • 4




    If there is no throttling at all, does that mean one jerk streaming Netflix in 4K can ruin everyone else's basic web browsing experience? Or do they throttle proportionally to the number of users?
    – Kevin
    Nov 17 at 18:33






  • 1




    @Kevin Or all the jerks with their basic browsing stuff can ruin the 4k streaming experience of one genius. It depends on how you look at it. It works well in practice though and is how many ground-based cellular networks operate. Each cell can serve a specific bandwidth, the available bandwidth in a typical 4G cell is also a few hundred Mbit/s, and all users within that cell must share what's available. The key difference is that a 4G cell covers in densely populated areas perhaps only a few street blocks and not half a country.
    – Tor-Einar Jarnbjo
    Nov 17 at 19:37










  • @Kevin they block video streaming services and I would guess they do apply throttling
    – JonathanReez
    Nov 18 at 3:13










  • @Kevin: Wouldn't TCP congestion control take care of it automatically, as it does with downloads over regular connections?
    – grawity
    Nov 18 at 15:30


















up vote
20
down vote













Below is a screenshot from the flight, flying above Europe:



enter image description here




Download: 7.55 Mbps, Upload: 0.47 Mbps, Ping: 688 ms




I was even able to make a Telegram call onboard without issues. However... once we've reached the Atlantic the following speeds were observed:



enter image description here




Download: 0.26 Mbps, Upload: 0.07 Mbps, Ping: 688 ms




Therefore I wouldn't rely on the Internet to be usable beyond simple messaging when connecting onboard a plane.






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    2 Answers
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    2 Answers
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    up vote
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    down vote



    accepted










    It will depend a lot on how many other passengers are using the service, not only in your aircraft, but also in other aircrafts within the same region. Icelandair is not throttling the speed artificially, so you get what is currently technically feasible, but how much that is will depend on many factors. The technically available bandwidth is rather mediocre compared to fixed broadband services or ground-based cellular or wireless networks.



    Across the Atlantic and above Iceland and North America, Icelandair is serviced by Viasat. Above UK, Ireland and the rest of Europe, they are using services from the Eutelsat KA-SAT satellite. I don't know the technical details of the Viasat service, but KA-SAT is covering almost entire Europe with 82 spot-beams, each having an available data rate of 475 Mbit/s. That may sound a lot, but even if the spot-beams vary by size, they are in the range of plus/minus 100,000km². Almost the entire eastern part of Great Britain (east of a line through London, Manchester, Edinburgh) is for example covered by only one spot-beam and all users in this area must share the available 475 Mbit/s. Each connection (between the aircraft and satellite) is limited to 20 Mbit/s. Viasat/Eutelsat is not only serving Icelandair, but also other airlines and at least in Europe, Eutelsat also use the same satellite to provide ground-based internet access in remote locations.



    So at least over Europe: If you are the single user in your aircraft and there is not much traffic in the area, you can in theory get up to 20 Mbit/s.



    If there are more users of the service, all users in the same aircraft must share 20 MBit/s. E.g. if ten passengers are currently downloading or streaming something, each passenger will only have 2 Mbit/s available.



    All users within the same spot-beam must share the available 475 Mbit/s. If you still need e.g. 2 Mbit/s for a specific service, there may also not be more than about 240 users in the same region simultaneously using the service.



    Since the size of the spot-beams is defined by geometry and not by traffic or population density (the beams get larger and more elongated the further north you are), you must expect the available bandwith to fluctuate significantly depending on where the aircraft is located.



    I must admit that I've never flown Icelandair, but have used or tried to use internet access quite a lot on other airlines in Europe, which use technical solutions with similar parameters. On a good day, it is neither impossible nor unlikely to reach bandwidths as measured by Jonathan Reez (7.5 Mbit/s). More often than not, the network can however also be clogged and annoyingly slow, making it difficult enough to browse simple web pages.






    share|improve this answer

















    • 2




      You are totally right, the speed dropped significantly once the plane reached the Atlantic ocean.
      – JonathanReez
      Nov 17 at 14:53






    • 4




      If there is no throttling at all, does that mean one jerk streaming Netflix in 4K can ruin everyone else's basic web browsing experience? Or do they throttle proportionally to the number of users?
      – Kevin
      Nov 17 at 18:33






    • 1




      @Kevin Or all the jerks with their basic browsing stuff can ruin the 4k streaming experience of one genius. It depends on how you look at it. It works well in practice though and is how many ground-based cellular networks operate. Each cell can serve a specific bandwidth, the available bandwidth in a typical 4G cell is also a few hundred Mbit/s, and all users within that cell must share what's available. The key difference is that a 4G cell covers in densely populated areas perhaps only a few street blocks and not half a country.
      – Tor-Einar Jarnbjo
      Nov 17 at 19:37










    • @Kevin they block video streaming services and I would guess they do apply throttling
      – JonathanReez
      Nov 18 at 3:13










    • @Kevin: Wouldn't TCP congestion control take care of it automatically, as it does with downloads over regular connections?
      – grawity
      Nov 18 at 15:30















    up vote
    23
    down vote



    accepted










    It will depend a lot on how many other passengers are using the service, not only in your aircraft, but also in other aircrafts within the same region. Icelandair is not throttling the speed artificially, so you get what is currently technically feasible, but how much that is will depend on many factors. The technically available bandwidth is rather mediocre compared to fixed broadband services or ground-based cellular or wireless networks.



    Across the Atlantic and above Iceland and North America, Icelandair is serviced by Viasat. Above UK, Ireland and the rest of Europe, they are using services from the Eutelsat KA-SAT satellite. I don't know the technical details of the Viasat service, but KA-SAT is covering almost entire Europe with 82 spot-beams, each having an available data rate of 475 Mbit/s. That may sound a lot, but even if the spot-beams vary by size, they are in the range of plus/minus 100,000km². Almost the entire eastern part of Great Britain (east of a line through London, Manchester, Edinburgh) is for example covered by only one spot-beam and all users in this area must share the available 475 Mbit/s. Each connection (between the aircraft and satellite) is limited to 20 Mbit/s. Viasat/Eutelsat is not only serving Icelandair, but also other airlines and at least in Europe, Eutelsat also use the same satellite to provide ground-based internet access in remote locations.



    So at least over Europe: If you are the single user in your aircraft and there is not much traffic in the area, you can in theory get up to 20 Mbit/s.



    If there are more users of the service, all users in the same aircraft must share 20 MBit/s. E.g. if ten passengers are currently downloading or streaming something, each passenger will only have 2 Mbit/s available.



    All users within the same spot-beam must share the available 475 Mbit/s. If you still need e.g. 2 Mbit/s for a specific service, there may also not be more than about 240 users in the same region simultaneously using the service.



    Since the size of the spot-beams is defined by geometry and not by traffic or population density (the beams get larger and more elongated the further north you are), you must expect the available bandwith to fluctuate significantly depending on where the aircraft is located.



    I must admit that I've never flown Icelandair, but have used or tried to use internet access quite a lot on other airlines in Europe, which use technical solutions with similar parameters. On a good day, it is neither impossible nor unlikely to reach bandwidths as measured by Jonathan Reez (7.5 Mbit/s). More often than not, the network can however also be clogged and annoyingly slow, making it difficult enough to browse simple web pages.






    share|improve this answer

















    • 2




      You are totally right, the speed dropped significantly once the plane reached the Atlantic ocean.
      – JonathanReez
      Nov 17 at 14:53






    • 4




      If there is no throttling at all, does that mean one jerk streaming Netflix in 4K can ruin everyone else's basic web browsing experience? Or do they throttle proportionally to the number of users?
      – Kevin
      Nov 17 at 18:33






    • 1




      @Kevin Or all the jerks with their basic browsing stuff can ruin the 4k streaming experience of one genius. It depends on how you look at it. It works well in practice though and is how many ground-based cellular networks operate. Each cell can serve a specific bandwidth, the available bandwidth in a typical 4G cell is also a few hundred Mbit/s, and all users within that cell must share what's available. The key difference is that a 4G cell covers in densely populated areas perhaps only a few street blocks and not half a country.
      – Tor-Einar Jarnbjo
      Nov 17 at 19:37










    • @Kevin they block video streaming services and I would guess they do apply throttling
      – JonathanReez
      Nov 18 at 3:13










    • @Kevin: Wouldn't TCP congestion control take care of it automatically, as it does with downloads over regular connections?
      – grawity
      Nov 18 at 15:30













    up vote
    23
    down vote



    accepted







    up vote
    23
    down vote



    accepted






    It will depend a lot on how many other passengers are using the service, not only in your aircraft, but also in other aircrafts within the same region. Icelandair is not throttling the speed artificially, so you get what is currently technically feasible, but how much that is will depend on many factors. The technically available bandwidth is rather mediocre compared to fixed broadband services or ground-based cellular or wireless networks.



    Across the Atlantic and above Iceland and North America, Icelandair is serviced by Viasat. Above UK, Ireland and the rest of Europe, they are using services from the Eutelsat KA-SAT satellite. I don't know the technical details of the Viasat service, but KA-SAT is covering almost entire Europe with 82 spot-beams, each having an available data rate of 475 Mbit/s. That may sound a lot, but even if the spot-beams vary by size, they are in the range of plus/minus 100,000km². Almost the entire eastern part of Great Britain (east of a line through London, Manchester, Edinburgh) is for example covered by only one spot-beam and all users in this area must share the available 475 Mbit/s. Each connection (between the aircraft and satellite) is limited to 20 Mbit/s. Viasat/Eutelsat is not only serving Icelandair, but also other airlines and at least in Europe, Eutelsat also use the same satellite to provide ground-based internet access in remote locations.



    So at least over Europe: If you are the single user in your aircraft and there is not much traffic in the area, you can in theory get up to 20 Mbit/s.



    If there are more users of the service, all users in the same aircraft must share 20 MBit/s. E.g. if ten passengers are currently downloading or streaming something, each passenger will only have 2 Mbit/s available.



    All users within the same spot-beam must share the available 475 Mbit/s. If you still need e.g. 2 Mbit/s for a specific service, there may also not be more than about 240 users in the same region simultaneously using the service.



    Since the size of the spot-beams is defined by geometry and not by traffic or population density (the beams get larger and more elongated the further north you are), you must expect the available bandwith to fluctuate significantly depending on where the aircraft is located.



    I must admit that I've never flown Icelandair, but have used or tried to use internet access quite a lot on other airlines in Europe, which use technical solutions with similar parameters. On a good day, it is neither impossible nor unlikely to reach bandwidths as measured by Jonathan Reez (7.5 Mbit/s). More often than not, the network can however also be clogged and annoyingly slow, making it difficult enough to browse simple web pages.






    share|improve this answer












    It will depend a lot on how many other passengers are using the service, not only in your aircraft, but also in other aircrafts within the same region. Icelandair is not throttling the speed artificially, so you get what is currently technically feasible, but how much that is will depend on many factors. The technically available bandwidth is rather mediocre compared to fixed broadband services or ground-based cellular or wireless networks.



    Across the Atlantic and above Iceland and North America, Icelandair is serviced by Viasat. Above UK, Ireland and the rest of Europe, they are using services from the Eutelsat KA-SAT satellite. I don't know the technical details of the Viasat service, but KA-SAT is covering almost entire Europe with 82 spot-beams, each having an available data rate of 475 Mbit/s. That may sound a lot, but even if the spot-beams vary by size, they are in the range of plus/minus 100,000km². Almost the entire eastern part of Great Britain (east of a line through London, Manchester, Edinburgh) is for example covered by only one spot-beam and all users in this area must share the available 475 Mbit/s. Each connection (between the aircraft and satellite) is limited to 20 Mbit/s. Viasat/Eutelsat is not only serving Icelandair, but also other airlines and at least in Europe, Eutelsat also use the same satellite to provide ground-based internet access in remote locations.



    So at least over Europe: If you are the single user in your aircraft and there is not much traffic in the area, you can in theory get up to 20 Mbit/s.



    If there are more users of the service, all users in the same aircraft must share 20 MBit/s. E.g. if ten passengers are currently downloading or streaming something, each passenger will only have 2 Mbit/s available.



    All users within the same spot-beam must share the available 475 Mbit/s. If you still need e.g. 2 Mbit/s for a specific service, there may also not be more than about 240 users in the same region simultaneously using the service.



    Since the size of the spot-beams is defined by geometry and not by traffic or population density (the beams get larger and more elongated the further north you are), you must expect the available bandwith to fluctuate significantly depending on where the aircraft is located.



    I must admit that I've never flown Icelandair, but have used or tried to use internet access quite a lot on other airlines in Europe, which use technical solutions with similar parameters. On a good day, it is neither impossible nor unlikely to reach bandwidths as measured by Jonathan Reez (7.5 Mbit/s). More often than not, the network can however also be clogged and annoyingly slow, making it difficult enough to browse simple web pages.







    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered Nov 17 at 14:25









    Tor-Einar Jarnbjo

    31.9k480118




    31.9k480118








    • 2




      You are totally right, the speed dropped significantly once the plane reached the Atlantic ocean.
      – JonathanReez
      Nov 17 at 14:53






    • 4




      If there is no throttling at all, does that mean one jerk streaming Netflix in 4K can ruin everyone else's basic web browsing experience? Or do they throttle proportionally to the number of users?
      – Kevin
      Nov 17 at 18:33






    • 1




      @Kevin Or all the jerks with their basic browsing stuff can ruin the 4k streaming experience of one genius. It depends on how you look at it. It works well in practice though and is how many ground-based cellular networks operate. Each cell can serve a specific bandwidth, the available bandwidth in a typical 4G cell is also a few hundred Mbit/s, and all users within that cell must share what's available. The key difference is that a 4G cell covers in densely populated areas perhaps only a few street blocks and not half a country.
      – Tor-Einar Jarnbjo
      Nov 17 at 19:37










    • @Kevin they block video streaming services and I would guess they do apply throttling
      – JonathanReez
      Nov 18 at 3:13










    • @Kevin: Wouldn't TCP congestion control take care of it automatically, as it does with downloads over regular connections?
      – grawity
      Nov 18 at 15:30














    • 2




      You are totally right, the speed dropped significantly once the plane reached the Atlantic ocean.
      – JonathanReez
      Nov 17 at 14:53






    • 4




      If there is no throttling at all, does that mean one jerk streaming Netflix in 4K can ruin everyone else's basic web browsing experience? Or do they throttle proportionally to the number of users?
      – Kevin
      Nov 17 at 18:33






    • 1




      @Kevin Or all the jerks with their basic browsing stuff can ruin the 4k streaming experience of one genius. It depends on how you look at it. It works well in practice though and is how many ground-based cellular networks operate. Each cell can serve a specific bandwidth, the available bandwidth in a typical 4G cell is also a few hundred Mbit/s, and all users within that cell must share what's available. The key difference is that a 4G cell covers in densely populated areas perhaps only a few street blocks and not half a country.
      – Tor-Einar Jarnbjo
      Nov 17 at 19:37










    • @Kevin they block video streaming services and I would guess they do apply throttling
      – JonathanReez
      Nov 18 at 3:13










    • @Kevin: Wouldn't TCP congestion control take care of it automatically, as it does with downloads over regular connections?
      – grawity
      Nov 18 at 15:30








    2




    2




    You are totally right, the speed dropped significantly once the plane reached the Atlantic ocean.
    – JonathanReez
    Nov 17 at 14:53




    You are totally right, the speed dropped significantly once the plane reached the Atlantic ocean.
    – JonathanReez
    Nov 17 at 14:53




    4




    4




    If there is no throttling at all, does that mean one jerk streaming Netflix in 4K can ruin everyone else's basic web browsing experience? Or do they throttle proportionally to the number of users?
    – Kevin
    Nov 17 at 18:33




    If there is no throttling at all, does that mean one jerk streaming Netflix in 4K can ruin everyone else's basic web browsing experience? Or do they throttle proportionally to the number of users?
    – Kevin
    Nov 17 at 18:33




    1




    1




    @Kevin Or all the jerks with their basic browsing stuff can ruin the 4k streaming experience of one genius. It depends on how you look at it. It works well in practice though and is how many ground-based cellular networks operate. Each cell can serve a specific bandwidth, the available bandwidth in a typical 4G cell is also a few hundred Mbit/s, and all users within that cell must share what's available. The key difference is that a 4G cell covers in densely populated areas perhaps only a few street blocks and not half a country.
    – Tor-Einar Jarnbjo
    Nov 17 at 19:37




    @Kevin Or all the jerks with their basic browsing stuff can ruin the 4k streaming experience of one genius. It depends on how you look at it. It works well in practice though and is how many ground-based cellular networks operate. Each cell can serve a specific bandwidth, the available bandwidth in a typical 4G cell is also a few hundred Mbit/s, and all users within that cell must share what's available. The key difference is that a 4G cell covers in densely populated areas perhaps only a few street blocks and not half a country.
    – Tor-Einar Jarnbjo
    Nov 17 at 19:37












    @Kevin they block video streaming services and I would guess they do apply throttling
    – JonathanReez
    Nov 18 at 3:13




    @Kevin they block video streaming services and I would guess they do apply throttling
    – JonathanReez
    Nov 18 at 3:13












    @Kevin: Wouldn't TCP congestion control take care of it automatically, as it does with downloads over regular connections?
    – grawity
    Nov 18 at 15:30




    @Kevin: Wouldn't TCP congestion control take care of it automatically, as it does with downloads over regular connections?
    – grawity
    Nov 18 at 15:30












    up vote
    20
    down vote













    Below is a screenshot from the flight, flying above Europe:



    enter image description here




    Download: 7.55 Mbps, Upload: 0.47 Mbps, Ping: 688 ms




    I was even able to make a Telegram call onboard without issues. However... once we've reached the Atlantic the following speeds were observed:



    enter image description here




    Download: 0.26 Mbps, Upload: 0.07 Mbps, Ping: 688 ms




    Therefore I wouldn't rely on the Internet to be usable beyond simple messaging when connecting onboard a plane.






    share|improve this answer



























      up vote
      20
      down vote













      Below is a screenshot from the flight, flying above Europe:



      enter image description here




      Download: 7.55 Mbps, Upload: 0.47 Mbps, Ping: 688 ms




      I was even able to make a Telegram call onboard without issues. However... once we've reached the Atlantic the following speeds were observed:



      enter image description here




      Download: 0.26 Mbps, Upload: 0.07 Mbps, Ping: 688 ms




      Therefore I wouldn't rely on the Internet to be usable beyond simple messaging when connecting onboard a plane.






      share|improve this answer

























        up vote
        20
        down vote










        up vote
        20
        down vote









        Below is a screenshot from the flight, flying above Europe:



        enter image description here




        Download: 7.55 Mbps, Upload: 0.47 Mbps, Ping: 688 ms




        I was even able to make a Telegram call onboard without issues. However... once we've reached the Atlantic the following speeds were observed:



        enter image description here




        Download: 0.26 Mbps, Upload: 0.07 Mbps, Ping: 688 ms




        Therefore I wouldn't rely on the Internet to be usable beyond simple messaging when connecting onboard a plane.






        share|improve this answer














        Below is a screenshot from the flight, flying above Europe:



        enter image description here




        Download: 7.55 Mbps, Upload: 0.47 Mbps, Ping: 688 ms




        I was even able to make a Telegram call onboard without issues. However... once we've reached the Atlantic the following speeds were observed:



        enter image description here




        Download: 0.26 Mbps, Upload: 0.07 Mbps, Ping: 688 ms




        Therefore I wouldn't rely on the Internet to be usable beyond simple messaging when connecting onboard a plane.







        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited Nov 17 at 14:51

























        answered Nov 17 at 12:47









        JonathanReez

        47.7k37223485




        47.7k37223485






























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