Each year, they would up the ante. Finally Allegheny County did something really risky and actually elected a Republican as county commissioner. He persuaded one of the Dems on the commission who wasn't totally dense on economic issues to join him and say "enough!".
US Air delivered on their threat, pulled their hub and layed off thousands of their staff. They went from controlling maybe 70% of all departure gates then to around 30% now.
So the Pittsburgh area lost most of their airline service and the airport closed down, right?
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Actually, Southwest, TransAir and slew of other airlines moved in to fill up the gap. People who used to fly to Cleveland for flights now leave from Pittsburgh. And fares have dropped by an average of nearly 40%. Who would've thunk it?
Sorry to keep coming back with only partially developed thoughts, but perhaps part of the problem is with government subsidies and/or lenient bankruptcy judges, which seem to allow these airlines to stiff their creditors, re-organize, and then survive only to stiff their creditors (and customers) once again. I know that some airlines have been twice bankrupt, and that USAir has gone through bankruptcy at least once.
Maybe instead of allowing these debt-ridden, poorly managed businesses to keep screwing the customer, bankruptcy judges should - within the discretion allowed by the pertinent statutes - allow these airlines to just liquidate and die.