American, Delta, and United's average fleet ages are similar, and all of these carriers have a mix of aging and modern aircraft.

US airlines have been decreasing the size of their aircraft for years, with the Boeing 787 and Airbus A350 emerging as the upper limit.

Aerolíneas Argentinas and American Airlines are boosting their operations between Miami and Buenos Aires this winter. LATAM ...

Delta Air Lines shares are trading higher by 2.1% during Wednesday's session. The stock is potentially moving higher in sympathy with peer United Airlines after the company reported Q1 results.

AA spokeswoman Andrea Koos said Tuesday that the airline plans to retrofit 777-300s with Viasat hardware “starting ...

Delta Air Lines celebrated its 100th anniversary, marking a century of growth from its origins as a crop-dusting service. The newly renovated Delta Flight Museum showcases the airline's history ...