Best Time to Fly BZN to LAS: On-Time Stats by Hour & Airline
Bozeman Yellowstone International → Harry Reid International
Data through July 2026 · Last updated October 18, 2026
598 flights were scheduled from Bozeman (BZN) to Las Vegas (LAS) in the last 12 months, and 83.2% of those that flew arrived on time, 5.6 points above the US average of 77.6%.
Southwest Airlines was the most punctual of the 2 airlines on the route at 83.3%, while Allegiant Air trailed at 83.0%.
May has been the best month (94% on time) and Friday the weakest day of the week (75%).
0.3% of flights were cancelled, versus 1.8% nationally.
BZN to LAS 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 |
|---|---|---|---|---|
| Southwest Airlines | 83.3% | 70 min | 0.0% | 508 |
| Allegiant Air | 83.0% | 108 min | 2.2% | 90 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BZN to LAS
On-time arrival % by scheduled departure hour (local time), 1,210 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 93.9% | 0.0% | 33 |
| 6am–7am | 92.8% | 0.0% | 152 |
| 7am–8am | 93.6% | 0.0% | 47 |
| 8am–9am | 91.8% | 0.0% | 61 |
| 9am–10am | Limited data | 19 | |
| 10am–11am | 81.4% | 0.0% | 161 |
| 11am–12pm | 81.0% | 0.0% | 58 |
| 12pm–1pm | 76.9% | 2.1% | 93 |
| 1pm–2pm | 92.2% | 0.0% | 103 |
| 2pm–3pm | 73.8% | 2.4% | 83 |
| 3pm–4pm | 77.1% | 0.0% | 118 |
| 4pm–5pm | 70.0% | 0.0% | 70 |
| 5pm–6pm | 72.4% | 1.7% | 59 |
| 6pm–7pm | 38.8% | 0.0% | 49 |
| 7pm–8pm | 62.9% | 0.0% | 70 |
| 8pm–9pm | Limited data | 27 | |
| 10pm–11pm | Limited data | 7 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BZN to LAS
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) | Limited data | 26 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 70.9% | -12.6 pts | 0.0% | 55 |
| Summer peak (Jun 15 - Aug 15) | 69.4% | -14.1 pts | 0.0% | 259 |
| All other days | 83.5% | — | 0.6% | 870 |
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).