Best Time to Fly DEN to BZN: On-Time Stats by Hour & Airline
Denver International → Bozeman Yellowstone International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.9% of Denver (DEN) to Bozeman (BZN) flights arrived on time (2,721 scheduled flights). That is 1.3 points above the national average of 77.6%.
SkyWest Airlines was the most punctual of the 3 airlines on the route at 87.5%, while Southwest Airlines trailed at 71.5%.
October has been the best month (91% on time) and Friday the weakest day of the week (76%).
0.3% of flights were cancelled, versus 1.8% nationally.
DEN to BZN on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 87.5% | 55 min | 1.1% | 351 |
| United Airlines | 83.6% | 58 min | 0.0% | 1,197 |
| Southwest Airlines | 71.5% | 50 min | 0.3% | 1,173 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to BZN
On-time arrival % by scheduled departure hour (local time), 5,474 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 88.6% | 0.2% | 467 |
| 8am–9am | 90.1% | 0.4% | 807 |
| 9am–10am | 86.8% | 0.0% | 144 |
| 10am–11am | 78.1% | 0.0% | 34 |
| 11am–12pm | 80.5% | 0.0% | 876 |
| 12pm–1pm | 76.7% | 0.0% | 176 |
| 1pm–2pm | 82.1% | 0.1% | 829 |
| 2pm–3pm | 78.8% | 0.6% | 166 |
| 3pm–4pm | 78.6% | 0.9% | 329 |
| 4pm–5pm | 54.2% | 0.7% | 143 |
| 5pm–6pm | 77.9% | 0.0% | 77 |
| 6pm–7pm | Limited data | 29 | |
| 7pm–8pm | 75.6% | 0.1% | 781 |
| 8pm–9pm | 63.9% | 0.6% | 181 |
| 9pm–10pm | 55.6% | 0.0% | 330 |
| 10pm–11pm | 64.6% | 0.0% | 79 |
| 11pm–12am | Limited data | 26 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN to BZN
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 72.9% | -8.3 pts | 0.0% | 96 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.0% | -6.3 pts | 0.0% | 244 |
| Summer peak (Jun 15 - Aug 15) | 70.9% | -10.4 pts | 0.5% | 1,081 |
| All other days | 81.3% | — | 0.2% | 4,053 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).