CHICAGO- United Airlines (UA) has unveiled significant modifications to its intercontinental flight schedule for the Northern Summer 2025 season, revealing strategic changes across multiple international routes.
Following are the changes reported by Aeroroutes for changes updated last week on November 21 and 22, 2024.
United Airlines Summer 2025
From Chicago O’Hare, the airline will implement several noteworthy route adjustments.
The Athens route will now operate from 01MAY25 to 24SEP25, utilizing a Boeing 787-10 aircraft and shifting from the previously planned 22MAY25 to 01SEP25 timeframe.
Barcelona seasonal service will commence earlier than initially planned, starting 21APR25 instead of 01MAY25, with a 787-8 aircraft scheduled from 21APR25 to 30APR25.
The carrier will also adjust its European routes from Chicago O’Hare. Milan Malpensa seasonal service will now begin 07APR25, a modification from the originally proposed 29MAR25 start date.
Munich routes will see a fleet change, replacing the 787-10 with a 787-8 aircraft, maintaining a daily service.
Paris Charles de Gaulle will experience an inverse fleet transition, with a 787-10 replacing the 787-8.
Seasonal routes from Chicago O’Hare will include Reykjavik Keflavik, operating from 19MAY25 to 23SEP25 with 757-200 aircraft, adjusted from the previous 22MAY25 schedule.
Shannon will maintain a daily 757-200 service from 22MAY25 to 23SEP25.
Houston’s international routes will also see modifications. The Amsterdam route will continue with a daily 767-300ER service, while the Munich route will transition from a 767-300ER to a 777-200ER aircraft.
The Los Angeles to London Heathrow route will experience a significant reduction, decreasing from two to one daily flight, utilizing a 787-9 aircraft.
Flights from Newark
The Athens route will see substantial adjustments. United will operate UA124/125 from 29MAR25 to 30APR25 using a 767-400ER instead of a 787-10, with service commencing on 06MAR25.
Additionally, UA116/117 will introduce a new 3-weekly flight using a 767-300ER, increasing overall service from 7 to 10 weekly flights.
Several new routes will debut from Newark. These include seasonal services to Bilbao (31MAY25 – 23SEP25) with 3 weekly 757-200 flights, Funchal (07JUN25 – 23SEP25) with 3 weekly 737 MAX 8 flights, Nuuk (14JUN25 – 24SEP25) with 2 weekly 737 MAX 8 flights, and Palermo (21MAY25 – 24SEP25) with 3 weekly 767-400ER flights.
Existing routes will undergo fleet and frequency modifications. Barcelona will maintain 1 daily 777-200ER service, replacing the initially filed 767-400ER.
Dubai routes will transition to a 777-300ER from the 777-200ER.
Dubrovnik will see a service increase from 4 to 7 weekly flights using a 767-400ER. Faro will operate 4 weekly 757-200 flights from 16MAY25 to 22SEP25.
European destinations will experience significant changes. Frankfurt routes will replace 787-10 with 777-300ER. Milan Malpensa will maintain 1 daily 777-200ER service.
Munich will operate a 777-200ER from 22MAY25 to 01SEP25.
Naples will initiate seasonal service from 03APR25 with 1 daily 767-300ER.
Transatlantic routes will also see adjustments. Newark to Paris Charles de Gaulle will operate UA054/055 with a 767-400ER from 21APR25 to 30APR25.
Palma de Mallorca will increase from 3 to 4 weekly flights using a 767-400ER.
Ponta Delgada will resume seasonal service from 05JUN25, increasing from 5 to 7 weekly flights by 30JUN25.
Porto will expand from 1 to 2 daily seasonal flights using 757-200 aircraft.
Reykjavik Keflavik service will resume from 26JUN25 with 1 daily 757-200.
Shannon will initiate seasonal service from 03APR25 with 1 daily 757-200.
Select routes will experience reductions or cancellations. Tenerife South will see its 3 weekly services cancelled effective 02MAY25.
Rome Fiumicino will undergo aircraft changes, rotating between 787-10 and 777-300ER depending on the period.
Other Route Changes
In the Pacific region, San Francisco routes will undergo significant transformations. The Auckland route will maintain 3 weekly 777-200ER service, replacing the previously filed 787-9.
Barcelona routes will transition to a Boeing 787-10 aircraft for 1 daily service, with current reservations still listing a 777-200ER as of 24OCT24.
The Brisbane route will continue 4 weekly 777-200ER service, superseding the initially proposed 787-9.
San Francisco’s Papeete route will replace the 787-8 with a 787-9 aircraft, operating 5 weekly flights.
The Seoul Incheon service will expand to 2 daily 787-9 flights, replacing the previous configuration of 1 daily 777-200ER and 1 daily 787-9.
United Airlines will introduce new routes from Tokyo Narita. Kaohsiung will see 1 daily 737-800 service starting 11JUL25, marking a return to the destination after Continental Micronesia’s last service between October 1993 and April 1998.
Koror and Ulaanbaatar routes are planned with 2 weekly and 1 daily 737-800 flights respectively, though reservation details remain unavailable.
Washington Dulles routes will experience multiple modifications. Barcelona will operate a 787-8 replacing the 767-300ER from 22MAY25 to 30JUL25.
A new route to Dakar will commence 23MAY25 with 3 weekly 767-300ER flights. Lisbon service will reduce 1 of 7 weekly flights from a 757-200, replacing the 767-400ER.
The London Heathrow route from Washington Dulles will maintain the previously implemented reduction from 3 to 2 daily flights using 777-200ER aircraft.
A new seasonal route to Nice will operate 4 weekly 767-300ER flights from 24MAY25 to 24SEP25.
Washington Dulles’ Paris Charles de Gaulle route will utilize UA330/331 with a 767-400ER from 22MAY25 to 01SEP25.
Rome Fiumicino will see UA884/885 operate a 767-400ER replacing the 777-200ER from 01MAY25 to 21MAY25.
Venice Marco Polo emerges as a new route, initially offering 1 daily 767-300ER service from 22MAY25, transitioning to 4 weekly from 26SEP25.
Feature Image by Clément Alloing | Flickr
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