65% of flights from San Francisco to Bozeman arrived on time over the past 12 months. That is worse than the typical U.S. route. The 11 a.m. departures ran on time 88% of the time; the noon ones 61%. 13% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for SFO → BZN: when a flight was late, it was under 45 minutes late 48% of the time. About 1 in 8 flights landed an hour or more late, and 1 in 229 three hours or more; 0.7% were cancelled outright.
- On time or early65%
- 15–30 min late10%
- 30–60 min late12%
- 1–2 hours late8.3%
- 2–3 hours late3.1%
- 3+ hours late0.4%
- Diverted0.9%
- Cancelled0.7%
Share of all 458 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| United Airlines | 378 | 71% | 0.0% | −4 min | 9.8% | +59 min | United Airlines 82%, SkyWest 18% |
| Alaska Airlines | 80 | — | — | — | — | — | Horizon Air |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at SFO). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | United Airlines |
|---|---|
| 11 a.m. | 88% |
| noon | 61% |
By month
Each calendar month pooled over 2023–2026. Best: January (78%). Worst: July (56%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 63 | — | — |
| Tuesday | 62 | — | — |
| Wednesday | 62 | — | — |
| Thursday | 67 | — | — |
| Friday | 69 | — | — |
| Saturday | 68 | — | — |
| Sunday | 67 | — | — |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: airline 1 · weather 1 · air traffic/airport 1
Month by month
Not enough months with data to draw a trend.
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| UA 562 | 12:00 p.m. | 249 | 65% | 0.0% | −2 min | United Airlines |
Questions
How often are flights from SFO to BZN on time?
65% of 458 scheduled flights from San Francisco, CA to Bozeman, MT arrived within 15 minutes of schedule between September 2025 and August 2026. 0.7% were cancelled.
What is the best time of day to fly SFO to BZN?
Flights scheduled to leave at 11 a.m. were the most reliable (88% on time). The noon departures were the least (61%).
What month has the most delays from SFO to BZN?
July (56% on time). The best month is January (78%), over 2023–2026.
Related
- BZN → SFO (return)
- San Francisco (SFO) delays by hour
- Flights into Bozeman Yellowstone (BZN)
- United Airlines on-time record
- Alaska Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.