Some do, some don't: there wouldn't be any airlines in business if it wasn't extremely profitable. All that post 9/11 "we're going out of business!%!%#@!!" madn

Some do, some don't: there wouldn't be any airlines in business if it wasn't extremely profitable. All that post 9/11 "we're going out of business!%!%#@!!" madness was mostly a TARP-style bail out quest. The reason you see so many commercials on TV for travel-related sites such as Expedia, Hotels.com, Priceline, etc., is because the margins and volumes are so large.