The Mile High City sees the most of the operation, but other hubs also get the carrier's smallest mainline aircraft.

The first Boeing 777 ever delivered to an airline was to United Airlines. Bearing the tail number N777UA, the 777 was a -200 ...

United will fly a total of 9,800 seats each way using the Boeing 777-300ER this month, making a total of 19,600 seats ...