Flight Humberto Delgado Airport departs from Lisbon Humberto Delgado Airport at 05:30 and arrives at Frankfurt Frankfurt Airport at 09:30.
The flighttime is about 3h 00m. The distance travelled ("as the bird flies"): 2327 Km. So the average speed is roughly 776 Km.
There is an 1 hour time difference between Lisbon and Frankfurt