Bozeman (BZN) to Denver (DEN): On-Time Performance
Data through July 2026
The calendar drives reliability on BZN–DEN. December 2024 flights landed on schedule 92% of the time, but June 2025 dropped to 62% — a gap of 30 points. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 64%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 7.5
- last 12 months
- Duration
- 1h 50m
- scheduled
- Distance
- 524 mi
Best airline from BZN to DEN
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 80% | 15 min | 1.1% | 846 |
| United Airlines | 78% | 17 min | 0.6% | 2,447 |
| Southwest Airlines | 76% | 15 min | 0.2% | 2,452 |
Monthly on-time trend
Best time to fly from BZN to DEN
Aim for departures around 6 a.m. (92% on-time); avoid 5 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 79% | 11 min |
| Tuesday | 77% | 15 min |
| Wednesday | 79% | 15 min |
| Thursday | 76% | 17 min |
| Friday | 75% | 20 min |
| Saturday | 78% | 14 min |
| Sunday | 78% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations20%
- National airspace system45%
- Weather5%
Frequently asked questions
- How often are flights from BZN to DEN delayed?
- 23% of BZN–DEN 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 16 minutes.
- Which airline is most reliable from BZN to DEN?
- SkyWest Airlines has the best on-time record on this route at 80%, based on 846 flights. 3 airlines flew BZN–DEN frequently enough to compare in this period.
- What is the best time of day to fly from BZN to DEN?
- Departures around 6 a.m. have the best record (92% on-time), while departures around 5 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BZN to DEN?
- The scheduled BZN–DEN flight time averages 1h 50m over 524 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are BZN to DEN flights cancelled?
- 0.5% 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 BZN to DEN?
- June 2025 was the roughest month in this dataset, with only 62% of arrivals on time. The best was December 2024 at 92%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 5,745 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.