FCA to SFO flight delays & on-time performance
Nonstop flights from Glacier Park International Airport to San Francisco International Airport · 844 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at FCA or SFO right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Kalispell (FCA) to San Francisco (SFO) arrived on time 66% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.2% were cancelled, and 13% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 1pm did best (72% on time); around 7am did worst (56%).
- Thursday was the most reliable day to fly (78% on time) and Sunday the least (55%).
- The largest source of delay minutes was air traffic control & airport congestion (42%).
Which airline is most on time from FCA 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. | 66% | 1.2% | 26 min | 12.6% | 250 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am56%16 flights
- 8am80%10 flights
- 1pm72%78 flights
- 4pm63%146 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday58%0.0% cancelled
- Tuesday65%0.0% cancelled
- Wednesday75%0.0% cancelled
- Thursday78%5.9% cancelled
- Friday64%0.0% cancelled
- Saturday75%1.9% cancelled
- Sunday55%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 congestion42%
- Airline (crew, maintenance, cleaning, fueling)38%
- Late-arriving aircraft20%
- 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%
FCA to SFO: common questions
- How often are FCA to SFO flights on time?
- 66% 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 Kalispell to San Francisco cancelled?
- 1.2% of scheduled flights were cancelled (3 of 250).
- How long are typical delays?
- Across all flights the average arrival delay was 26 min (early arrivals count as zero). Flights that were late arrived 75 min behind schedule on average, and 12.6% of flights were an hour or more late.
- How long is taxi time at FCA?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SFO to FCA — 73% on time
More flights from Kalispell
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: FCA → SFO, nonstop flights by US airlines that report to the DOT. How we calculate this.