Southwest Airlines passengers could be in for a rough winter at its largest hub

If could be a very long winter indeed for Southwest Airlines customers transiting into or out of Chicago's Midway Airport if Southwest's operations at the airport in recent days are any indication of future performance in the winter months ahead.A Chicago Tribune headline blared the bad news that Dallas-based Southwest (NYSE: LUV) canceled no fewer than 90 flights out of Midway last Thursday due to cold snowy weather and plane de-icing issues at the airport. Those 90 flights were more than