United Airlines

United AirlinesService to and from Denver Hub

  • Reservations: 800-864-8331
  • Local: 406-495-1100
  • www.united.com
  • Local Counter Hours of Operation: 4:30-7:00 am; 12:30 pm -6:00 pm; and 9:00-11:00 (Note: Counter Hours May Change if Airline Schedule Changes)
  • Domestic air travelers will now be required to have a Real ID or a passport.  For updated information on the REAL ID, visit mtrealid.gov/faqs/ or  TSA’s website.
  • Checked bags must be at the Counter a minimum of 60 minutes prior to departure.
  • Passengers should pass through the Security Checkpoint immediately after checking in.
  • Passengers must be at their departure gate at least 45 minutes before their scheduled departure.
  • Aircraft boarding doors close 15 minutes prior to the scheduled departure time.