Delta ordered on Friday 37 of Airbus' medium-haul A321 aircraft with a catalogue price $4.2 billion (3.7 billion euros) as the US airline seeks to quickly retire older planes.
Delta Air Lines is nearing a decision on upgrading its single-aisle fleet as four plane makers bid furiously to win the order...
The head of Qatar Airways kept up pressure on US engine maker Pratt & Whitney over delays and technical problems, saying engines for its Airbus A320neo aircraft had not been adequately tested.