BZN to DEN flight delays & on-time performance
Nonstop flights from Bozeman Yellowstone International Airport to Denver International Airport · 524 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BZN or DEN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Bozeman (BZN) to Denver (DEN) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.4% were cancelled, and 7% arrived an hour or more late.
- United Airlines was the most punctual airline here (80% on time); Southwest Airlines was the least (74%).
- Departures scheduled around 5am did best (94% on time); around 5pm did worst (64%).
- Tuesday was the most reliable day to fly (81% on time) and Thursday the least (74%).
- The largest source of delay minutes was air traffic control & airport congestion (43%).
Which airline is most on time from BZN to DEN?
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 |
|---|---|---|---|---|---|
| United Airlines | 80% | 0.3% | 14 min | 7.4% | 1,197 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 79% | 1.4% | 15 min | 6.6% | 351 |
| Southwest Airlines | 74% | 0.3% | 16 min | 7.1% | 1,174 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am94%116 flights
- 6am93%335 flights
- 7am86%258 flights
- 10am85%551 flights
- 11am84%82 flights
- 12pm88%58 flights
- 1pm67%30 flights
- 2pm69%482 flights
- 3pm66%85 flights
- 4pm65%494 flights
- 5pm64%179 flights
- 6pm61%32 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%0.0% cancelled
- Tuesday81%0.3% cancelled
- Wednesday75%0.5% cancelled
- Thursday74%0.8% cancelled
- Friday74%0.5% cancelled
- Saturday78%0.5% cancelled
- Sunday80%0.3% 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 congestion43%
- Late-arriving aircraft34%
- Airline (crew, maintenance, cleaning, fueling)18%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather36%
- Air traffic control & airport congestion36%
- Airline (crew, maintenance, cleaning, fueling)27%
- Security0%
BZN to DEN: common questions
- How often are BZN to DEN flights on time?
- 77% 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 Bozeman to Denver cancelled?
- 0.4% of scheduled flights were cancelled (11 of 2,722).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 62 min behind schedule on average, and 7.2% of flights were an hour or more late.
- How long is taxi time at BZN?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DEN to BZN — 79% on time
More flights from Bozeman
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BZN → DEN, nonstop flights by US airlines that report to the DOT. How we calculate this.