I found this and thought it was fantastic and well put-together. I have my doubts about whether such a website could be built, with airline industry technology being what it is (i.e. 1950s technology), but it's fun to dream.

http://www.f-i.com/fi/airlines/

If you just want the cliff's notes version, watch the video.

I'd love to hear the opinions of my fellow FTers!
Enjoy!

-S