Region's Transit Regaining Its Footing
PHL International Airport, rail and bus services gradually returning to normal schedules
As Sandy completed its transition from coastal hurricane to winter storm Tuesday night, the frozen Northeast mass transit infrastructure it left in its wake had begun to thaw out. Following one of the largest disruptions of the U.S. aviation system since the terrorist attacks of September 11, 2001, Delta Airlines and other carriers resumed flights in and out of Philadelphia International Airport on Tuesday afternoon. US Airways, the airport's biggest tenant, planned to resume its normal schedule on Wednesday morning, the Philadelphia Inquirer reported. The airport itself was said to have suffered only minimal damage during the storm. Still, more than 2,100 flights for Wednesday had been cancelled around in the country in addition to the …