From Denver, the Airbus A319 operates many short-haul ... offering either 143 or 175 seats respectively. United goes head-to-head with the Dallas-based airline on all the top five routes.

United Airlines is one of the major airlines in the United States and operates an impressive fleet of 1,018 aircraft. 36 of ...

The airline will deploy its Airbus A319 aircraft on the route, which is expected to take as much as five hours to complete.