Originally Posted by
Often1
3. Once under a SOC, I'm not sure how AA operates TATL hubs at JFK & PHL, both of which are subject to the same ATC and WX vagaries. The terms of the US acquisition of AA require than PHL survive as a hub for three years, but that doesn't mean the exact same volume.
People bring this up all the the time, but the fail to cite what happens if AA does indeed violate these terms. The answer? Nothing. AA won't be penalized.