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Global aviation news tracker
Global aviation news tracker

United Airlines is investing $1.5 billion to build a major maintenance and training hub at Denver International Airport (DEN).
The United Denver maintenance hub will fund advanced hangars for widebody and narrowbody aircraft, a technical operations center and a training academy for pilots and technicians. United Airlines (IATA: UA, ICAO: UAL) says the facility is set to open in 2028 to support the airline’s expanding fleet and operations from DEN.
The project aims to strengthen Denver’s role in United’s domestic and international network by concentrating heavy-maintenance capacity and hands-on training under one roof. The campus will handle routine and heavier checks for a mix of aircraft types and provide classroom and simulator space for pilot and technician training.
The airline expects the buildout to create more than 2,000 jobs in Colorado, spanning line technicians, licensed aircraft maintenance engineers, trainers and operations staff. United frames the investment as part of broader efforts to modernize its maintenance footprint while expanding route capacity out of Denver.
The hub follows industry trends where U.S. carriers invest in capacity and people to match fleet growth and network ambitions. For United, concentrated maintenance and training capacity at DEN should improve aircraft availability and reduce ferry and downtime for scheduled checks.