Travelers often ask, "What terminal is United Airlines at ORD?" At Chicago O'Hare International Airport, United Airlines mainly uses Terminal 1 for operations, though Terminal 2 also handles some flights. Given that O'Hare is United's biggest hub, these terminals are made to offer a seamless travel experience, complete with expedited check-in counters, effective security, and easy acc... https://airofficeworld.com/united-airlines-chicago-ohare-airport-terminal-ord/