Best Time to Fly FCA to SFO: On-Time Stats by Hour & Airline
Glacier Park International → San Francisco International
Data through July 2026 · Last updated October 18, 2026
250 flights were scheduled from Kalispell (FCA) to San Francisco (SFO) in the last 12 months, and 66.4% of those that flew arrived on time, 11.2 points below the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (84% on time) and July the worst month (56%).
The cancellation rate was 1.2% (US average 1.8%).
FCA to SFO on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 66.4% | 75 min | 1.2% | 250 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly FCA to SFO
On-time arrival % by scheduled departure hour (local time), 416 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 26 | |
| 8am–9am | Limited data | 16 | |
| 1pm–2pm | 77.4% | 2.1% | 95 |
| 3pm–4pm | Limited data | 6 | |
| 4pm–5pm | 75.0% | 0.4% | 273 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on FCA to SFO
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 19 | ||
| Summer peak (Jun 15 - Aug 15) | 65.7% | -13.5 pts | 0.0% | 140 |
| All other days | 79.2% | — | 0.8% | 257 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).