According to a recent analysis, the airline ranks as the third-largest in the world in terms of fleet size and a number of routes. However, transit passengers over San Francisco are still important, together with those connecting over partner hubs in Europe.United Airlines is one of the most popular airlines around the globe. As such, it's no surprise that United's San Francisco traffic is more point-to-point than anything else, based on booking data from 2019. Of course, is not well-positioned as a transatlantic hub. In all, the B787-9 is the top type from San Francisco. However, it still has seven transatlantic routes, with up to 10 daily departures and a total of 1,646, up by 9%, helped by Heathrow's third daily flight. United's San Francisco hub is its primary airport for transpacific travel. Like Dulles, the B787-8 is the most used aircraft on the transatlantic market from Chicago. Zurich started on April 23rd, Milan Malpensa on May 6th, and Keflavik, which took off in 2021, is back from June 22nd. It has up to 16 daily departures across 13 routes. United has 2,454 Europe and Middle East departures from Chicago O'Hare, up by 22%. London Heathrow: 3x daily from late May 1x daily B777-200ER, 1x daily B767-300ER, 1x daily B757-200.The airline has scheduled the following destinations: The B787-8 has more flights than any other. Amman has just started, but there's no more Berlin. It has 19 routes and up to 20 daily departures, for a total of 3,360 across the rest of the season and therefore nearly half the size of Newark. United's second-largest transatlantic gateway is Washington Dulles. Rome: 2x daily from July then, 1x daily B777-300ER, 1x daily B777-200ER.Ponta Delgada: 1x daily from June, B737 MAX 8.Paris CDG: 2x daily from July then, 1x daily B777-300ER, 1x daily B767-300ER.Frankfurt: 2x daily from August then, 1x daily B777-300ER, 1x daily B767-300ER.

United airlines timetable chart