A plane that was isolated on the taxiway and searched at Washington Dulles International airport after a beeping sound was ...

A Frontier Airlines flight that landed at Dulles International Airport on Wednesday was held on the arrival runway for an investigation into a beeping noise heard in its undercarriage. Officials ...

Frontier Airlines announced a new promotion on Tuesday, taking aim at rival Southwest over its recent decision to end unassigned seating and a long-standing policy of free checked bags.

Frontier flight 4708 arrived at Washington ... bags and the aircraft has been returned to operation.” The airport and airline did not provide information on the possible source of the sound.