Missoula (MSO) to Chicago (ORD) flights
Envoy Air, United Airlines, SkyWest Airlines fly nonstop from Missoula Montana Airport to Chicago O'Hare International Airport, with about 15 flights a week in July 2026. The 1,332-mile flight takes about 3h 25m gate to gate.
- Distance
- 1,332 mi · 2,144 km
- Flight time
- 3h 25m
- Airlines
- 3
- Seats filled
- 88%
Airlines flying MSO to ORD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Envoy Air | 7 | Embraer E175, Embraer E170 | 22,171 | 3h 22m |
| United Airlines | 7 | Boeing 737-800, Airbus A320-100/200, Boeing 737-900ER | 14,170 | 3h 27m |
| SkyWest Airlines | 1 | Embraer E175 | 3,569 | 3h 41m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MSO to ORD flight schedule
4 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 12:25pm and the last at 1:12pm. 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 5316United Airlines · operated by SkyWest Airlines | 12:25pm | 5:05pm | 21 | 70% |
| UA 636United Airlines | 12:34pm | 5:05pm | 10 | 81% |
| AA 3718American Airlines · operated by Envoy Air | 1:04pm | 5:45pm | 4 | 83% |
| AA 3697American Airlines · operated by Envoy Air | 1:12pm | 5:53pm | 27 | 73% |
Is MSO to ORD on time?
From September 2025 to August 2026, 76% of 473 flights arrived within 15 minutes of schedule and 0.8% were cancelled. Flights leaving around 6am were the most punctual (93%), those around 1pm the least (74%). Most delay time was caused by air traffic control and airport congestion (43%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 316 | 75% | 23 min | 0% |
| United Airlines | 157 | 77% | 25 min | 2.5% |
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 |
|---|---|---|---|
| 6am to 7am | 29 | 93% | |
| 12pm to 1pm | 181 | 75% | |
| 1pm to 2pm | 257 | 74% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 85 | 8,106 | |
| September 2025 | 71 | 5,025 | |
| October 2025 | 36 | 2,370 | |
| December 2025 | 14 | 861 | |
| January 2026 | 31 | 1,457 | |
| February 2026 | 28 | 1,644 | |
| March 2026 | 31 | 2,070 | |
| April 2026 | 29 | 1,964 | |
| May 2026 | 40 | 3,138 | |
| June 2026 | 58 | 5,843 | |
| July 2026 | 66 | 7,432 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.