Wanderlust was built to answer the question of "if I go to the airport now, where can I fly to?" It's inspired by every movie where anyone ever turned up at the airport and bought a ticket on a whim.
% ./wanderlust ksfo
Nov 05 13:45 Los Angeles Intl Virgin America A320
Nov 05 14:05 Jorge Chavez Int'l LAN Airlines
Nov 05 14:15 Kansai Int'l United Airlines B772
Nov 05 15:02 Ontario Intl SkyWest CRJ2
Nov 05 15:10 Spokane Intl SkyWest CRJ2
Nov 05 15:20 John F Kennedy Intl American Airlines B762
Nov 05 15:20 Minneapolis/St Paul Intl Delta Air Lines MD90
Nov 05 15:25 Hartsfield-Jackson Intl AirTran Airways B737
Nov 05 15:27 Narita Int'l United Airlines B744
Nov 05 15:30 Friedman Memorial NetJets C680
Nov 05 15:35 Incheon Int'l Korean Air B772
Nov 05 15:35 Redding Muni SkyWest E120
Nov 05 15:35 Roberts Field SkyWest CRJ2
Nov 05 15:36 Portland Intl NetJets C680
Wanderlust uses the paid FlightXML API for flight data. Before you can use Wanderlust, you need to place a credit card on file with FlightAware and get an API key.