Bozeman Yellowstone International Airport (BZN) delays & on-time performance
Bozeman, Montana · 28 nonstop destinations · 9 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BZN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.8%
98 flights
Avg arrival delay
17 min
83 min when late
Departed on time
80%
avg taxi-out 18 min
Figures cover 11,804 departures from BZN; on-time is measured at arrival. Arrivals into BZN were on time 79% of the time.
Key facts
- Flights departing Bozeman Yellowstone International Airport (BZN) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.8% were cancelled, and 7% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (88% on time); American Airlines was the least (71%).
- Departures scheduled around 6am did best (94% on time); around 4pm did worst (67%).
- The largest source of delay minutes was late-arriving aircraft (34%).
Most delayed routes from BZN
Lowest on-time arrival rates among regularly flown routes.
- SFO · San Francisco70%378 flts
- ORD · Chicago73%1,267 flts
- DFW · Dallas/Fort Worth74%713 flts
- EWR · Newark76%375 flts
- DEN · Denver77%2,722 flts
- LAS · Las Vegas83%598 flts
- SEA · Seattle84%1,573 flts
- ATL · Atlanta86%429 flts
- LAX · Los Angeles88%543 flts
- SLC · Salt Lake City90%1,162 flts
Most reliable routes from BZN
Highest on-time arrival rates among regularly flown routes.
- MSP · Minneapolis90%805 flts
- SLC · Salt Lake City90%1,162 flts
- LAX · Los Angeles88%543 flts
- ATL · Atlanta86%429 flts
- SEA · Seattle84%1,573 flts
- LAS · Las Vegas83%598 flts
- DEN · Denver77%2,722 flts
- EWR · Newark76%375 flts
- DFW · Dallas/Fort Worth74%713 flts
- ORD · Chicago73%1,267 flts
Best airline at BZN
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 88% | 0.9% | 13 min | 8 | 2,011 |
| SkyWest Airlines | 83% | 0.5% | 13 min | 10 | 2,337 |
| Alaska Airlines | 83% | 1.1% | 11 min | 1 | 623 |
| Allegiant Air | 80% | 0.6% | 21 min | 3 | 341 |
| United Airlines | 79% | 0.8% | 17 min | 8 | 3,053 |
| Southwest Airlines | 77% | 0.2% | 15 min | 7 | 1,894 |
| Envoy Air | 76% | 0.0% | 18 min | 1 | 41 |
| American Airlines | 71% | 1.6% | 32 min | 4 | 1,269 |
| JetBlue | 70% | 5.1% | 43 min | 3 | 235 |
Best time to fly out of BZN
On-time arrival rate by scheduled departure hour (local time).
- 5am94%619 flts
- 6am94%882 flts
- 7am89%893 flts
- 8am88%414 flts
- 10am85%829 flts
- 11am83%1,111 flts
- 12pm77%1,003 flts
- 1pm74%1,172 flts
- 2pm76%1,298 flts
- 3pm81%1,195 flts
- 4pm67%1,197 flts
- 5pm74%433 flts
- 6pm77%371 flts
- 7pm74%273 flts
Monthly trend
Why departures were late
- Late-arriving aircraft34%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion27%
- Extreme weather8%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.