Flight Heathrow Airport departs from London Heathrow Airport at 17:10 and arrives at Amsterdam Amsterdam Airport Schiphol at 19:35.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 588 Km. So the average speed is roughly 415 Km.
There is an 1 hour time difference between London and Amsterdam
The best day to arrive at London is Thursday and it would be best to avoid Saturday, as prices are on average 78.81% higher than on Thursday. (Average prices, based on 1449397 datapoints.)
We have a lot more statistics for flights KL 1012 and between London and Amsterdam.