United Airlines maximizes its domestic reach by leveraging the Boeing 777 family, specifically boosting usage of the 777-300ER while reducing smaller variant operations. Despite a 12.2% decrease in total flights, utilization of the 777-300ER rose by 55%. Key routes include Newark-San Francisco and Honolulu-Guam. No plans for 777X series upgrades exist as of now.
Delta Air Lines continues to operate its Boeing 767 fleet significantly from New York-JFK, focusing on both transcontinental and transatlantic routes. In 2025, top routes include JFK to Los Angeles, Paris, and London, as well as some Latin American destinations. This usage underscores the 767’s enduring relevance in long-haul and high-capacity travel despite newer aircraft on the market.
Sun Country Airlines is readying to launch the Boeing 737-900ER on domestic routes starting from Minneapolis-St. Paul International Airport later this month. Initially, the aircraft will serve Las Vegas and Phoenix, with further expansions to Orlando and Fort Myers planned for October. These aircraft were acquired two years ago but were leased to Oman Air and are now set to join Sun Country’s operations.
