SFO to FCA flight delays & on-time performance
Nonstop flights from San Francisco International Airport to Glacier Park International Airport · 844 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SFO or FCA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from San Francisco (SFO) to Kalispell (FCA) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.8% were cancelled, and 5% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8am did best (91% on time); around 12pm did worst (66%).
- Saturday was the most reliable day to fly (80% on time) and Friday the least (66%).
- The largest source of delay minutes was air traffic control & airport congestion (47%).
Which airline is most on time from SFO to FCA?
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. | 73% | 0.8% | 13 min | 5.2% | 251 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am91%33 flights
- 9am81%45 flights
- 12pm66%146 flights
- 4pm70%27 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday69%0.0% cancelled
- Tuesday70%0.0% cancelled
- Wednesday75%0.0% cancelled
- Thursday78%5.9% cancelled
- Friday66%0.0% cancelled
- Saturday80%0.0% cancelled
- Sunday69%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 congestion47%
- Late-arriving aircraft32%
- Airline (crew, maintenance, cleaning, fueling)21%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
SFO to FCA: common questions
- How often are SFO to FCA flights on time?
- 73% 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 Francisco to Kalispell cancelled?
- 0.8% of scheduled flights were cancelled (2 of 251).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 41 min behind schedule on average, and 5.2% of flights were an hour or more late.
- How long is taxi time at SFO?
- Flights on this route spent 26 min taxiing from the gate to takeoff on average.
Related routes
Return trip: FCA to SFO — 66% on time
More flights from San Francisco
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SFO → FCA, nonstop flights by US airlines that report to the DOT. How we calculate this.