1

a : an act or instance of passing through the air by the use of wings

b : the ability to fly

2

a : a passing through the air or through space outside the earth's atmosphere

b : the distance covered in such a flight

c : swift movement

3

a : a trip made by or in an airplane or spacecraft

b : a scheduled airplane trip

4

a: a group of similar beings or objects flying through the air together

5

a : a brilliant, imaginative, or unrestrained exercise or display

6

a : a continuous series of stairs from one landing or floor to another

b : a series (as of terraces or conveyors) resembling a flight of stairs

7

a: a unit of the United States Air Force below a squadron

Chris' use seems to fall somewhere between the two I have highlighted.