BOS to BZN flight delays & on-time performance
Nonstop flights from Boston Logan International Airport to Bozeman Yellowstone International Airport · 1,991 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BOS or BZN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Boston (BOS) to Bozeman (BZN) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 5.3% were cancelled, and 8% arrived an hour or more late.
- JetBlue was the most punctual airline here (71% on time); Delta Air Lines was the least (68%).
- Departures scheduled around 8am did best (76% on time); around 9am did worst (53%).
- Tuesday was the most reliable day to fly (83% on time) and Saturday the least (63%).
- The largest source of delay minutes was air traffic control & airport congestion (45%).
Which airline is most on time from BOS to BZN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| JetBlue | 71% | 5.6% | 16 min | 6.0% | 142 |
| Delta Air Lines | 68% | 4.6% | 20 min | 11.3% | 65 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am68%86 flights
- 8am76%67 flights
- 9am53%18 flights
- 10am68%30 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%4.2% cancelled
- Tuesday83%10.0% cancelled
- Wednesday72%10.0% cancelled
- Thursday63%5.0% cancelled
- Friday68%3.8% cancelled
- Saturday63%2.0% cancelled
- Sunday71%6.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion45%
- Late-arriving aircraft27%
- Airline (crew, maintenance, cleaning, fueling)26%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather36%
- Air traffic control & airport congestion36%
- Airline (crew, maintenance, cleaning, fueling)27%
- Security0%
BOS to BZN: common questions
- How often are BOS to BZN flights on time?
- 70% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Boston to Bozeman cancelled?
- 5.3% of scheduled flights were cancelled (11 of 207).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 53 min behind schedule on average, and 7.7% of flights were an hour or more late.
- How long is taxi time at BOS?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BZN to BOS — 65% on time
More flights from Boston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BOS → BZN, nonstop flights by US airlines that report to the DOT. How we calculate this.