Maybe it's time for a divorce, at least, that's what Frontier Airlines is suggesting after changing its checked baggage policy in response to Southwest Airlines's policy change.

Frontier's promotion is eligible on new bookings via a promo code for flights departing May 28, the same day Southwest's free checked bag policy ends, through August 18.

Frontier's new policy takes aim at Southwest: 'Ultimate ‘divorce your old airline’ deal' Greg Giesen Nathan Diller. USA TODAY NETWORK. Are you unhappy with your favorite airline's policy for ...

In a statement obtained by PEOPLE, Frontier Airlines announced starting on Tuesday, March 18, through Aug. 18, passengers will be able to receive a new offering called the "Economy Bundle," which ...

Frontier Airlines eliminates change fees and introduces 4 new fare classes "We've always had heart," he said. "Some airlines are walking away from what travelers love, but we're running towards it.

The Denver-based airline said a new free bag policy could become permanent. Credit: AP A Frontier Airlines Airbus A321 waits on a runway for departure from Denver International Airport, Sept. 1 ...