Boston (BOS) to Bozeman (BZN): On-Time Performance
Data through July 2026
Boston (BOS) to Bozeman (BZN) is a thinner route than most in this dataset — 207 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 75% arrived on time. Cancellations are the bigger caveat: 3.1% of scheduled flights never departed.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 3.1%
- Flights/day
- 0.57
- last 12 months
- Duration
- 5h 5m
- scheduled
- Distance
- 1,991 mi
Best airline from BOS to BZN
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| JetBlue Airwaysmost reliable | 75% | 14 min | 3.2% | 279 |
| Delta Air Lines | 74% | 18 min | 2.8% | 106 |
Monthly on-time trend
Best time to fly from BOS to BZN
Aim for departures around 8 a.m. (78% on-time); avoid 10 a.m. departures (69%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 17 min |
| Tuesdaybest | 84% | 14 min |
| Wednesday | 79% | 12 min |
| Thursday | 62% | 17 min |
| Friday | 79% | 13 min |
| Saturday | 69% | 17 min |
| Sunday | 76% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft29%
- Airline operations25%
- National airspace system43%
- Weather4%
Frequently asked questions
- How often are flights from BOS to BZN delayed?
- 26% of BOS–BZN 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 16 minutes.
- Which airline is most reliable from BOS to BZN?
- JetBlue Airways has the best on-time record on this route at 75%, based on 279 flights. 2 airlines flew BOS–BZN frequently enough to compare in this period.
- What is the best time of day to fly from BOS to BZN?
- Departures around 8 a.m. have the best record (78% on-time), while departures around 10 a.m. have the worst (69%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOS to BZN?
- The scheduled BOS–BZN flight time averages 5h 5m over 1,991 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are BOS to BZN flights cancelled?
- 3.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What day of the week is most reliable for BOS to BZN?
- Friday flights have the best record at 79% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 62%.
Explore related pages
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Based on 385 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.