SAN to MSO flight delays & on-time performance
Nonstop flights from San Diego International Airport to Missoula Montana Airport · 992 miles · Aug 2025 – Jul 2026
- SAN: Airport closed. Closed, expected to reopen Oct 11 at 13:00 UTC.
Key facts
- Flights from San Diego (SAN) to Missoula (MSO) arrived on time 33% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 33% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (75%).
Which airline is most on time from SAN to MSO?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 33% | 0.0% | 36 min | 33.3% | 3 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Saturday33%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)75%
- Air traffic control & airport congestion25%
- Late-arriving aircraft0%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
SAN to MSO: common questions
- How often are SAN to MSO flights on time?
- 33% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from San Diego to Missoula cancelled?
- 0.0% of scheduled flights were cancelled (0 of 3).
- How long are typical delays?
- Across all flights the average arrival delay was 36 min (early arrivals count as zero). Flights that were late arrived 55 min behind schedule on average, and 33.3% of flights were an hour or more late.
- How long is taxi time at SAN?
- Flights on this route spent 32 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MSO to SAN — 33% on time
More flights from San Diego
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SAN → MSO, nonstop flights by US airlines that report to the DOT. How we calculate this.