Bozeman (BZN) to Boston (BOS): On-Time Performance
Data through May 2026
Bozeman (BZN) to Boston (BOS) 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, 63% arrived on time, noticeably below the national average of 78%.
- On-time
- 63%
- arrived <15 min late
- Avg delay
- 43 min
- completed flights
- Cancelled
- 1.8%
- Flights/day
- 0.57
- last 12 months
- Duration
- 4h 25m
- scheduled
- Distance
- 1,991 mi
Best airline from BZN to BOS
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| JetBlue Airwaysmost reliable | 64% | 42 min | 1.3% | 238 |
| Delta Air Lines | 62% | 46 min | 3.4% | 89 |
Monthly on-time trend
Best time to fly from BZN to BOS
Aim for departures around 11 a.m. (70% on-time); avoid 1 p.m. departures (48%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 65% | 19 min |
| Tuesdaybest | 75% | 13 min |
| Wednesday | 53% | 62 min |
| Thursday | 65% | 89 min |
| Friday | 64% | 22 min |
| Saturday | 59% | 71 min |
| Sunday | 69% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft42%
- Airline operations38%
- National airspace system20%
Frequently asked questions
- How often are flights from BZN to BOS delayed?
- 37% of BZN–BOS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 43 minutes.
- Which airline is most reliable from BZN to BOS?
- JetBlue Airways has the best on-time record on this route at 64%, based on 238 flights. 2 airlines flew BZN–BOS frequently enough to compare in this period.
- What is the best time of day to fly from BZN to BOS?
- Departures around 11 a.m. have the best record (70% on-time), while departures around 1 p.m. have the worst (48%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BZN to BOS?
- The scheduled BZN–BOS flight time averages 4h 25m over 1,991 miles. Actual arrival times vary — flights on this route land 15+ minutes late 37% of the time.
- How often are BZN to BOS flights cancelled?
- 1.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What day of the week is most reliable for BZN to BOS?
- Sunday flights have the best record at 69% on-time. Day-of-week differences on this route are meaningful — Wednesday trails at 53%.
Explore related pages
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Based on 327 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.