San Francisco (SFO) to Kalispell (FCA): On-Time Performance
Data through July 2026
San Francisco (SFO) to Kalispell (FCA) is a thinner route than most in this dataset — 251 departures over the past year, roughly 5 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 76% arrived on time.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 0.69
- last 12 months
- Duration
- 2h 28m
- scheduled
- Distance
- 844 mi
Monthly on-time trend
Best time to fly from SFO to FCA
Aim for departures around 8 a.m. (91% on-time); avoid 12 p.m. departures (71%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 11 min |
| Tuesday | 70% | 21 min |
| Wednesday | 79% | 10 min |
| Thursday | 76% | 11 min |
| Friday | 69% | 13 min |
| Saturdaybest | 81% | 9 min |
| Sunday | 79% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations22%
- National airspace system38%
- Weather3%
Frequently asked questions
- How often are flights from SFO to FCA delayed?
- 24% of SFO–FCA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 minutes.
- What is the best time of day to fly from SFO to FCA?
- Departures around 8 a.m. have the best record (91% on-time), while departures around 12 p.m. have the worst (71%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SFO to FCA?
- The scheduled SFO–FCA flight time averages 2h 28m over 844 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are SFO to FCA flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SFO to FCA?
- July 2026 was the roughest month in this dataset, with only 39% of arrivals on time. The best was February 2026 at 95%. If your dates are flexible, that 56-point gap is worth planning around.
Explore related pages
More routes from SFO
Other ways to fly to Kalispell (FCA)
Related guides
Based on 456 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.