United Airlines ranks #1 globally in Available Seat Kilometres (ASKs). The airline allocated 10.5% of its capacity outside North America, ahead of its US competitors.
The airline allocated 10.5% of its capacity outside North America, ahead of its US competitors.
Denver (DEN) remains the largest base for United Airlines at 24.1m seats which is 49% of the airport's capacity, followed closely by Chicago O'Hare (ORD) where the airline operated 24.0 million seats in 2025, 47% of the airport's capacity.
The airline currently has an order for 198 widebody aircraft on the books, which is far higher than American Airlines which has ordered 19 widebody aircraft, and Delta Air Lines which has ordered 54.
.png?width=150&height=150&name=aa%20(1).png "American Airlines")
.png?width=150&height=150&name=BA%20(1).png "British Airways")
.png?width=200&height=200&name=china-eastern%20(1).png "China Eastern")
