MSO to SFO flight delays & on-time performance
Nonstop flights from Missoula Montana Airport to San Francisco International Airport · 769 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MSO or SFO right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Missoula (MSO) to San Francisco (SFO) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.5% were cancelled, and 10% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 4pm did best (69% on time); around 2pm did worst (67%).
- Tuesday was the most reliable day to fly (92% on time) and Friday the least (50%).
- The largest source of delay minutes was air traffic control & airport congestion (49%).
Which airline is most on time from MSO to SFO?
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. | 70% | 1.5% | 20 min | 10.1% | 131 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 2pm67%16 flights
- 4pm69%112 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday67%0.0% cancelled
- Tuesday92%0.0% cancelled
- Wednesday50%0.0% cancelled
- Thursday69%5.9% cancelled
- Friday50%0.0% cancelled
- Saturday80%2.8% cancelled
- Sunday72%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.
- Air traffic control & airport congestion49%
- Airline (crew, maintenance, cleaning, fueling)24%
- Late-arriving aircraft24%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
MSO to SFO: common questions
- How often are MSO to SFO flights on time?
- 70% 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 Missoula to San Francisco cancelled?
- 1.5% of scheduled flights were cancelled (2 of 131).
- How long are typical delays?
- Across all flights the average arrival delay was 20 min (early arrivals count as zero). Flights that were late arrived 61 min behind schedule on average, and 10.1% of flights were an hour or more late.
- How long is taxi time at MSO?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SFO to MSO — 70% on time
More flights from Missoula
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MSO → SFO, nonstop flights by US airlines that report to the DOT. How we calculate this.