If we allowed clueless government officials and bureaucrats to tell airlines where they could fly and where they were permitted to open hubs, then we'd probably see forced relocations to empty inconvenient airports like MidAmerica St. Louis Airport and Palmdale. But fortunately, the airlines get to decide where they want to fly, and they tend to respond to passengers - and passengers choose crowded crappy airports like LGA, JFK, EWR, PHL, SFO, LAX and ORD. Yes, they're old, and crowded and if people drove 50-100 miles away, they might find less crowded, convenient alternatives. People like to piss and moan, but when push comes to shove, they don't prefer long drives to the airports.
Yesterday someone on Flyertalk asked whether AA would abandon LAX to UA and DL in favor of PHX. There aren't rolleyes smileys big enough for nonsense like that. I put that in the same category as those who think that AA will walk away from JFK. Yes, Parker did walk away from most of US' assets at LGA, a mistake for which new AA will forever pay as DL continues to grow and dominate in NYC thanks to that slot giveaway.
AA and UA will talk tough with the Mayor of Chicago and try to bargain down the prices just like both airlines have always done with their employees. I realize that guys like Bob Owens think that airlines are free-spenders with everyone and everything EXCEPT the rank and file employees, but the reality is that airline execs try to bargain down the price of everything they buy, not just the labor of the downtrodden workers.
Move to Wichita? St Louis? Kansas City? I don't see any of those happening. Not only is Chicago still a very big business center, but it's a place where people actually want to visit. Bazillions of foreigners visit Chicago every year. Just like SFO, LAX, PHL, SEA, NYC, BOS, etc. They're not interested in Wichita, St Louis or Kansas City. For that matter, they aren't interested in visiting Charlotte, either.
Long haul flights tend to be where people want to go. AA isn't leaving Chicago. Or NYC. Or LAX. Or BOS. Or WAS.