ORD → MSO: cancellations & delays
Over Jan 2023 - Apr 2026, 0.2% of Chicago O'Hare International Airport (ORD) to Missoula Montana Airport (MSO) flights were cancelled and 22.4% arrived at least 15 minutes late, across 956 flights, flown by MQ, UA, OO. Cancellations peak in September.
Check today's live ORD departures →Airport pages: Chicago O'Hare International Airport (ORD) · Missoula Montana Airport (MSO)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.