Flight Humberto Delgado Airport departs from Lisbon Humberto Delgado Airport at 07:15 and arrives at Luxembourg Findel International Airport at 11:05.
The flighttime is about 2h 50m. The distance travelled ("as the bird flies"): 2087 Km. So the average speed is roughly 737 Km.
There is an 1 hour time difference between Lisbon and Luxembourg