Bozeman (BZN) to San Francisco (SFO): On-Time Performance
Data through July 2026
When you fly BZN to SFO matters as much as anything else about the booking: the route swung from 97% on-time in July 2025 to just 29% in July 2026. Across the full period the route averages 77% on-time against a national 78%.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 1.0
- last 12 months
- Duration
- 2h 37m
- scheduled
- Distance
- 807 mi
Best airline from BZN to SFO
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 79% | 20 min | 0.4% | 276 |
| United Airlines | 75% | 22 min | 0.4% | 568 |
Monthly on-time trend
Best time to fly from BZN to SFO
Aim for departures around 1 p.m. (90% on-time); avoid 2 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 23 min |
| Tuesdaybest | 84% | 11 min |
| Wednesday | 78% | 27 min |
| Thursday | 75% | 31 min |
| Friday | 73% | 25 min |
| Saturday | 81% | 13 min |
| Sunday | 72% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft35%
- Airline operations20%
- National airspace system41%
- Weather4%
Frequently asked questions
- How often are flights from BZN to SFO delayed?
- 23% of BZN–SFO 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 22 minutes.
- Which airline is most reliable from BZN to SFO?
- SkyWest Airlines has the best on-time record on this route at 79%, based on 276 flights. 2 airlines flew BZN–SFO frequently enough to compare in this period.
- What is the best time of day to fly from BZN to SFO?
- Departures around 1 p.m. have the best record (90% on-time), while departures around 2 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BZN to SFO?
- The scheduled BZN–SFO flight time averages 2h 37m over 807 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are BZN to SFO 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 BZN to SFO?
- July 2026 was the roughest month in this dataset, with only 29% of arrivals on time. The best was July 2025 at 97%. If your dates are flexible, that 68-point gap is worth planning around.
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Based on 844 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.