Denver (DEN) to Bozeman (BZN): On-Time Performance
Data through July 2026
The calendar drives reliability on DEN–BZN. October 2024 flights landed on schedule 93% of the time, but January 2025 dropped to 66% — a gap of 28 points. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 68%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 7.5
- last 12 months
- Duration
- 1h 48m
- scheduled
- Distance
- 524 mi
Best airline from DEN to BZN
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 86% | 8 min | 0.6% | 844 |
| United Airlines | 81% | 13 min | 0.2% | 2,448 |
| Southwest Airlines | 73% | 15 min | 0.3% | 2,450 |
Monthly on-time trend
Best time to fly from DEN to BZN
Aim for departures around 8 a.m. (90% on-time); avoid 9 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 81% | 11 min |
| Tuesday | 81% | 11 min |
| Wednesday | 79% | 12 min |
| Thursday | 77% | 15 min |
| Friday | 75% | 16 min |
| Saturday | 79% | 13 min |
| Sunday | 78% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft52%
- Airline operations32%
- National airspace system13%
- Weather3%
Frequently asked questions
- How often are flights from DEN to BZN delayed?
- 21% of DEN–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 13 minutes.
- Which airline is most reliable from DEN to BZN?
- SkyWest Airlines has the best on-time record on this route at 86%, based on 844 flights. 3 airlines flew DEN–BZN frequently enough to compare in this period.
- What is the best time of day to fly from DEN to BZN?
- Departures around 8 a.m. have the best record (90% on-time), while departures around 9 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to BZN?
- The scheduled DEN–BZN flight time averages 1h 48m over 524 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are DEN to BZN flights cancelled?
- 0.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to BZN?
- January 2025 was the roughest month in this dataset, with only 66% of arrivals on time. The best was October 2024 at 93%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 5,742 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.