Missoula (MSO) to San Diego (SAN)
Flight time
≈ 2h 47m
Bearing
191° S
Missoula (MSO) to San Diego (SAN) is 993 miles (1,599 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies MSO–SAN
US DOT T-100 · filed dataIn August 2025, SkyWest Airlines was the only carrier flying nonstop MSO–SAN; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 80% full.
Departures
6
August 2025
Seats
456
both directions
Passengers
363
both directions
Load factor
79.6%
passengers ÷ seats
Who flies MSO–SAN?
SkyWest Airlines was the only carrier to fly nonstop MSO–SAN in August 2025 (6 departures).
- OO
SkyWest Airlines
6 departures · 456 seats
Share of departures100.0%79.6%
Load
What plane flies MSO–SAN?
In August 2025, the Embraer E175 flew 100% of MSO–SAN departures.
- Embraer E175
6 departures · 79.6% load
100.0%
How has MSO–SAN traffic changed?
Nonstop MSO–SAN departures held steady at about 6 a month between June 2025 and August 2025.
Monthly nonstop MSO–SAN traffic, trailing 12 months through August 2025. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
6 departures · 361 passengers
79.2%
Load
July 2025
8 departures · 512 passengers
84.2%
Load
August 2025
6 departures · 363 passengers
79.6%
Load
By direction
The DOT files each direction separately — they rarely match.
MSO → SAN
85.1% full
3 departures · 194 passengers
SAN → MSO
74.1% full
3 departures · 169 passengers
Nonstop MSO–SAN traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through August 2025; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Missoula (MSO) from San Diego (SAN)?
MSO to SAN is 993 miles (1,599 km / 863 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from MSO to SAN?
A nonstop covers the 993-mile great-circle distance in roughly 2h 47m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies MSO–SAN?
In August 2025, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying MSO–SAN?
Distance-based programs credit off the 993-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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