Horizon Air and the International Brotherhood of Teamsters have reached a tentative agreement to amend their existing eight-year contract for the regional airline’s 620 pilots.

Horizon Air, an affiliate of Alaska Airlines (NYSE: ALK), said the new terms give the airline the ability “to attract and retain the best pilots in the regional industry through enhanced salary and bonus provisions.”

No details of the agreement between the airline and the pilots union were disclosed, and there was no immediate…