Flight Barcelona–El Prat Airport departs from Barcelona Barcelona–El Prat Airport at 06:20 and arrives at Amsterdam Amsterdam Airport Schiphol at 08:35.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 1258 Km. So the average speed is roughly 559 Km.
The best day to arrive at Barcelona is Sunday and it would be best to avoid Friday, as prices are on average 115.16% higher than on Sunday. (Average prices, based on 747489 datapoints.)
We have a lot more statistics for flights KL 1510 and between Barcelona and Amsterdam.