Best Time to Fly BZN to SFO: On-Time Stats by Hour & Airline
Bozeman Yellowstone International → San Francisco International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 70.4% of Bozeman (BZN) to San Francisco (SFO) flights arrived on time (378 scheduled flights). That is 7.3 points below the national average of 77.6%.
Among 2 airlines, SkyWest Airlines led with 83.8% on time and United Airlines was last with 67.4%.
Over 24 months, Tuesday was the most reliable day (87% on time) and July the worst month (63%).
The cancellation rate was 0.0% (US average 1.8%).
BZN 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 | 83.8% | 179 min | 0.0% | 68 |
| United Airlines | 67.4% | 84 min | 0.0% | 310 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BZN to SFO
On-time arrival % by scheduled departure hour (local time), 782 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 21 | |
| 8am–9am | Limited data | 3 | |
| 1pm–2pm | 90.3% | 0.0% | 154 |
| 2pm–3pm | 74.2% | 0.0% | 31 |
| 3pm–4pm | 84.6% | 0.9% | 216 |
| 4pm–5pm | 67.3% | 0.3% | 344 |
| 5pm–6pm | Limited data | 7 | |
| 6pm–7pm | Limited data | 5 | |
| 7pm–8pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BZN to SFO
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 60.0% | -19.6 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 70.3% | -9.3 pts | 0.7% | 139 |
| All other days | 79.6% | — | 0.3% | 599 |
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).