For flying movies I'll second "The Aviator", add Hugh's "Hell's Angels", "The Battle of Britain", "Only Angels Have Wings" (it's all toy airplanes, but a great, corney movie), "The Flight of the Phoenix" (the original, with Jimmy Stewart), "Flight From Glory" and "Those Magnificent Men in their Flying Machines".

Others seen recently and enjoyed:

"The Burmese Harp"
"Army of Shadows"
"Shattered Glass"

and a few thousand others...