United Airlines has an order for 45 Airbus A350-900s on the books. The carrier first ordered Airbus A350-1000s before later converting its order to the A350-900. At the time, it was a huge deal that United would be taking a non-Boeing widebody and would fly the A350s along the 787s. Now, eleven years after the initial order, there are zero Airbus A350s in the airline's fleet.