Flight Copenhagen Airport, Kastrup departs from Copenhagen Copenhagen Airport, Kastrup at 11:50 and arrives at Amsterdam Amsterdam Airport Schiphol at 13:15.
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 Friday and it would be best to avoid Thursday, as prices are on average 64.2% higher than on Friday. (Average prices, based on 169266 datapoints.)
We have a lot more statistics for flights KL 1270 and between Copenhagen and Amsterdam.