Flights at major US airports delayed after cable cut by construction workers BBCTravel meltdown caused by aging circuit and backup system failure, transportation officials say CNNNortheast airport operations resume after telecom outage disrupts flights Fox BusinessGround stop lifted at PHL, but major delays expected to continue following equipment outage 6abc PhiladelphiaFlights begin to resume across the US Northeast after technical problems at a key air traffic center News12 | Long Island