Flight Heathrow Airport departs from London Heathrow Airport at 12:55 and arrives at Amsterdam Amsterdam Airport Schiphol at 15:15.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 588 Km. So the average speed is roughly 441 Km.
There is an 1 hour time difference between London and Amsterdam
The best day to arrive at London is Wednesday and it would be best to avoid Monday, as prices are on average 251.94% higher than on Wednesday. (Average prices, based on 1451787 datapoints.)
We have a lot more statistics for flights BA 438 and between London and Amsterdam.