Delta Air Lines is making major investments at Sea-Tac Airport with not just non-stop flights to certain European cities, but ...

United Airlines is updating its app with new features meant to help customers find their connecting flights. A separate ...

The routes, which will begin service next year, expand Delta's lead as the Sea-Tac's largest international carrier. Each year ...

Delta is fighting back against Alaska Airlines, adding even more service to Europe in an attempt to win market share.