(Reuters) -United Airlines shares fell 3% in premarket trading on Thursday, after the U.S. carrier flagged a hit to third-quarter earnings from operational snags at Newark airport. The Newark airport,

United Airlines cut its third-quarter profit forecast after severe disruptions at Newark Liberty Airport. Equipment failures, air traffic delays, and staffing shortages continue to pressure operations.

The FAA's flight caps at Newark, which were implemented in response to rampant delays and cancellations in April and May, are working. But what will happen at the end of October, when the caps expire?