A Frontier Airlines flight from Seattle was evacuated at Denver International Airport on Monday after crewmembers discovered two threatening notes on board, but police later determined the threat was ...

Threatening notes were discovered on a Frontier flight from Seattle to Denver on Monday, but authorities later found no credible threat, the airline told Scripps News. Frontier crew members discovered ...

The federal government shutdown has entered its second week, and already shortages of air traffic controllers have strained ...

Delays hit U.S. airports as air traffic controllers skip work amid the government shutdown, officials say. At Sea-Tac, it's ...

Frontier Airlines will launch flights from Las Vegas to an airport near Seattle beginning in June. The Denver-based commercial air carrier will fly three days a week to Paine Field near Everett, ...

Southwest Airlines is launching two new routes from Austin and increasing the frequency on three others next summer.