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.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies MSO–SAN
Filed traffic 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%
RPM ÷ ASM
Who flies MSO–SAN?
SkyWest Airlines was the only carrier to fly nonstop MSO–SAN in August 2025 (6 departures).
- OO
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
Each direction is filed 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 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 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.
Keep exploring
Every route below is its own page.
Popular long-haul routes