Airlines are raising ticket prices and cutting flights after jet fuel costs jumped sharply, with average summer airfare up 10% to 20% depending on destination.

Delta Air Lines has adjusted its summer schedule amid high, uncertain fuel prices for airlines, and it's not alone.

A long-haul Delta Air Lines trip from Seoul to Atlanta turned into an unplanned Pacific Northwest stopover on Monday morning, after crew members reported a suspicious package on board and diverted the flight to Seattle.

Delta Air Lines is in the midst of retrofitting its planes with a new-look cabin that will spell the end of its "enchanted blue" seats.

Delta is raising checked bag prices by up to $50 as airlines face rising jet fuel costs amid the ongoing war with Iran. Flyers are expected to see other impacts, too.

The Atlanta Journal-Constitution reported that Delta plans to grow its third-party maintenance, repair and overhaul (MRO) operation to around $5 billion in annual revenue and has poured money into certified shops for CFM International,

Delta Air lines is joining a growing list of U.S. carriers raising checked bag fees. The move announced Tuesday comes as higher fuel costs ripple through the airline industry. Most Delta passengers

When Delta Air Lines (DAL.N), opens new tab bought an aging refinery outside Philadelphia in 2012, the move looked unusual. Most carriers buy jet fuel from suppliers. Delta instead bought a refinery that processes crude oil into jet fuel and other products.

Delta (DAL) kicks off airline earnings as jet fuel costs spike; investors watch guidance, demand, and FY outlook.