Missoula (MSO) to Santa Ana (SNA) flights
Allegiant Air flies nonstop from Missoula Montana Airport to John Wayne Orange County International Airport, with about 2 flights a week in July 2026. The 935-mile flight takes about 2h 46m gate to gate.
- Distance
- 935 mi · 1,505 km
- Flight time
- 2h 46m
- Airlines
- 1
- Seats filled
- 84%
Airlines flying MSO to SNA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Allegiant Air | 2 | Airbus A320-100/200, Airbus A319 | 4,068 | 2h 46m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MSO to SNA flight schedule
1 flight numbers flew this route in August 2026. The first usually leaves at 1:46pm and the last at 1:46pm. 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) |
|---|---|---|---|---|
| G4 3248Allegiant Air | 1:46pm | 3:26pm | 4 | n/a |
Is MSO to SNA on time?
From September 2025 to August 2026, 58% of 26 flights arrived within 15 minutes of schedule and 0% were cancelled. Flights leaving around 1pm were the most punctual (64%), those around 2pm the least (50%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (77%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Allegiant Air | 26 | 58% | 70 min | 0% |
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
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 6 | 985 | |
| May 2026 | 3 | 408 | |
| June 2026 | 9 | 1,256 | |
| July 2026 | 9 | 1,419 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.