Chicago (ORD) to Missoula (MSO) flights
Envoy Air, United Airlines, SkyWest Airlines fly nonstop from Chicago O'Hare International Airport to Missoula Montana Airport, with about 15 flights a week in July 2026. The 1,332-mile flight takes about 3h 46m gate to gate.
- Distance
- 1,332 mi · 2,144 km
- Flight time
- 3h 46m
- Airlines
- 3
- Seats filled
- 82%
Airlines flying ORD to MSO
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Envoy Air | 7 | Embraer E175, Embraer E170 | 20,740 | 3h 47m |
| United Airlines | 7 | Boeing 737-800, Airbus A320-100/200, Boeing 737-900ER | 13,894 | 3h 35m |
| SkyWest Airlines | <1 | Embraer E175 | 3,276 | 3h 57m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ORD to MSO flight schedule
4 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 8:40am and the last at 9:54am. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 1180United Airlines | 8:40am | 11:32am | 10 | 91% |
| UA 5397United Airlines · operated by SkyWest Airlines | 8:40am | 11:42am | 21 | 71% |
| AA 3718American Airlines · operated by Envoy Air | 9:42am | 12:34pm | 4 | 92% |
| AA 3697American Airlines · operated by Envoy Air | 9:54am | 12:42pm | 27 | 78% |
Is ORD to MSO on time?
From September 2025 to August 2026, 80% of 472 flights arrived within 15 minutes of schedule and 0.4% were cancelled. Flights leaving around 8am were the most punctual (87%), those around 9am the least (76%). Most delay time was caused by late-arriving aircraft (32%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 315 | 77% | 12 min | 0% |
| United Airlines | 157 | 86% | 10 min | 1.3% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 8am to 9am | 152 | 87% | |
| 9am to 10am | 273 | 76% | |
| 10am to 11am | 13 | 85% | |
| 8pm to 9pm | 27 | 82% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 89 | 7,306 | |
| September 2025 | 72 | 4,580 | |
| October 2025 | 34 | 1,988 | |
| December 2025 | 13 | 794 | |
| January 2026 | 31 | 1,533 | |
| February 2026 | 28 | 1,586 | |
| March 2026 | 30 | 1,827 | |
| April 2026 | 30 | 1,856 | |
| May 2026 | 42 | 3,111 | |
| June 2026 | 59 | 5,949 | |
| July 2026 | 66 | 7,380 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.