Flight Heathrow Airport departs from London Heathrow Airport at 21:25 and arrives at Bangkok Suvarnabhumi Airport at 15:00.
The flighttime is about 11h 35m. The distance travelled ("as the bird flies"): 11001 Km. So the average speed is roughly 950 Km.
There is an 6 hour time difference between London and Bangkok
IDR
