WASHINGTON (Reuters) - The U.S. Transportation Department on Tuesday finalized its awards of five new daily round-trip flights from Washington Reagan National airport to major airlines.

The flights at the busy airport in Arlington, Virginia, outside the nation's capital were mandated under legislation signed in May by President Joe Biden. American Airlines Delta Air Lines, United Airlines, Southwest Airlines and Alaska Airlines all are receiving new flights after the department made tentative awards in October. Carriers are to start new flights within 90 days.