Missoula (MSO) to Santa Ana (SNA)
Flight time
≈ 2h 40m
Bearing
194° S
Missoula (MSO) to Santa Ana (SNA) is 936 miles (1,506 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies MSO–SNA
Filed traffic dataIn June 2026, Allegiant Air was the only carrier flying nonstop MSO–SNA; the Airbus A320 was the most common aircraft at 100% of departures; flights ran 82% full.
Departures
18
June 2026
Seats
3,234
both directions
Passengers
2,662
both directions
Load factor
82.3%
RPM ÷ ASM
Who flies MSO–SNA?
Allegiant Air was the only carrier to fly nonstop MSO–SNA in June 2026 (18 departures).
- G4
18 departures · 3,234 seats
Share of departures100.0%82.3%
Load
What plane flies MSO–SNA?
In June 2026, the Airbus A320 flew 100% of MSO–SNA departures.
- Airbus A320
18 departures · 82.3% load
100.0%
How has MSO–SNA traffic changed?
Nonstop MSO–SNA departures held steady at about 18 a month between July 2025 and June 2026.
Monthly nonstop MSO–SNA traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
18 departures · 2,811 passengers
86.8%
Load
August 2025
12 departures · 1,951 passengers
90.6%
Load
September 2025
0 departures · 0 passengers
—
Load
October 2025
1 departures · 4 passengers
30.8%
Load
November 2025
0 departures · 0 passengers
—
Load
December 2025
0 departures · 0 passengers
—
Load
January 2026
0 departures · 0 passengers
—
Load
February 2026
0 departures · 0 passengers
—
Load
March 2026
0 departures · 0 passengers
—
Load
April 2026
0 departures · 0 passengers
—
Load
May 2026
6 departures · 846 passengers
80.1%
Load
June 2026
18 departures · 2,662 passengers
82.3%
Load
By direction
Each direction is filed separately — they rarely match.
MSO → SNA
77.7% full
9 departures · 1,256 passengers
SNA → MSO
87.0% full
9 departures · 1,406 passengers
Nonstop MSO–SNA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
The airports
Santa Ana
US
John Wayne Orange County International Airport
Coordinates
33.68°N, 117.87°W
Hemisphere
N · W
Frequently asked
How far is Missoula (MSO) from Santa Ana (SNA)?
MSO to SNA is 936 miles (1,506 km / 813 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from MSO to SNA?
A nonstop covers the 936-mile great-circle distance in roughly 2h 40m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies MSO–SNA?
In June 2026, the Airbus A320 flew the largest share of departures (100.0%).
What mileage do I earn flying MSO–SNA?
Distance-based programs credit off the 936-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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