Passengers were still encouraged to arrive early, despite the shorter lines at George Bush Intercontinental Airport.

A ground stop at William P. Hobby Airport was expected to last until 6 p.m., while a ground delay at George Bush Intercontinental Airport was expected to last until 9:30 p.m., according to

Denver International Airport air traffic controllers reported staffing shortages were impacting operations Tuesday afternoon and may cause flight delays, according to the Federal Aviation

Flights in and out of Ronald Reagan Washington National Airport near Washington resumed on Tuesday after flying was halted due to a bomb threat on a United Airlines Holdings Inc. jet.