FlightRecord

Bozeman (BZN) to Boston (BOS): On-Time Performance

Data through July 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
41 min
completed flights
Cancelled
2.3%
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 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
JetBlue Airwaysmost reliable64%40 min2.2%279
Delta Air Lines61%45 min2.8%106

Monthly on-time trend

Monthly on-time percentage for BZN to BOS flights50%75%100%July 2024: 61% on-time (18 flights)61Jul 2024August 2024: 50% on-time (18 flights)50September 2024: 100% on-time (1 flights)100December 2024: 40% on-time (15 flights)40Dec 2024January 2025: 50% on-time (8 flights)50February 2025: 60% on-time (15 flights)60March 2025: 69% on-time (32 flights)69Mar 2025May 2025: 100% on-time (3 flights)100June 2025: 66% on-time (29 flights)66July 2025: 62% on-time (39 flights)62Jul 2025August 2025: 66% on-time (41 flights)66September 2025: 50% on-time (4 flights)50December 2025: 40% on-time (17 flights)40Dec 2025January 2026: 75% on-time (13 flights)75February 2026: 71% on-time (25 flights)71March 2026: 84% on-time (39 flights)84Mar 2026June 2026: 63% on-time (27 flights)63July 2026: 53% on-time (41 flights)53

Best time to fly from BZN to BOS

Aim for departures around 11 a.m. (70% on-time); avoid 1 p.m. departures (52%).

On-time percentage by scheduled departure hour, BZN to BOS11 a.m.: 70% on-time (162 flights)1112 p.m.: 61% on-time (89 flights)121 p.m.: 52% on-time (72 flights)132 p.m.: 58% on-time (38 flights)144 p.m.: 63% on-time (24 flights)16scheduled departure hour

By day of week

DayOn-timeAvg delay
Mondaybest70%16 min
Tuesday69%20 min
Wednesday55%63 min
Thursday57%81 min
Friday62%21 min
Saturday60%66 min
Sunday68%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 aircraft41%
  • Airline operations34%
  • National airspace system25%

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 2024-07 and 2026-07. The average arrival delay across completed flights was 41 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 279 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 (52%). 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?
2.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
What day of the week is most reliable for BZN to BOS?
Monday flights have the best record at 70% on-time. Day-of-week differences on this route are meaningful — Wednesday trails at 55%.

Based on 385 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.