Flight Copenhagen Airport, Kastrup departs from Copenhagen Copenhagen Airport, Kastrup at 19:10 and arrives at Amsterdam Amsterdam Airport Schiphol at 20:35.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 950 Km. So the average speed is roughly 671 Km.
The best day to arrive at Copenhagen is Sunday and it would be best to avoid Thursday, as prices are on average 457.85% higher than on Sunday. (Average prices, based on 171121 datapoints.)
We have a lot more statistics for flights KL 1276 and between Copenhagen and Amsterdam.