Best Time to Fly LAS to BZN: On-Time Stats by Hour & Airline
Harry Reid International → Bozeman Yellowstone International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.9% of Las Vegas (LAS) to Bozeman (BZN) flights arrived on time (599 scheduled flights). That is 0.7 points below the national average of 77.6%.
Among 2 airlines, Allegiant Air led with 86.4% on time and Southwest Airlines was last with 75.3%.
Over 24 months, Tuesday was the most reliable day (88% on time) and June the worst month (66%).
The cancellation rate was 0.3% (US average 1.8%).
LAS 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 |
|---|---|---|---|---|
| Allegiant Air | 86.4% | 36 min | 2.2% | 90 |
| Southwest Airlines | 75.3% | 48 min | 0.0% | 509 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to BZN
On-time arrival % by scheduled departure hour (local time), 1,212 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 92.1% | 0.0% | 64 |
| 7am–8am | 80.4% | 0.0% | 46 |
| 8am–9am | 83.2% | 0.0% | 95 |
| 9am–10am | 89.7% | 0.0% | 185 |
| 10am–11am | 86.1% | 1.6% | 124 |
| 11am–12pm | 88.7% | 0.0% | 117 |
| 12pm–1pm | 80.0% | 0.0% | 80 |
| 1pm–2pm | 75.3% | 0.0% | 82 |
| 2pm–3pm | 71.9% | 0.0% | 32 |
| 3pm–4pm | Limited data | 1 | |
| 4pm–5pm | 83.3% | 0.0% | 30 |
| 5pm–6pm | Limited data | 17 | |
| 6pm–7pm | 50.0% | 0.0% | 78 |
| 7pm–8pm | 59.7% | 0.0% | 62 |
| 8pm–9pm | 60.9% | 0.0% | 87 |
| 9pm–10pm | 67.4% | 0.0% | 86 |
| 10pm–11pm | 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 LAS 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) | Limited data | 26 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 75.0% | -5.5 pts | 0.0% | 56 |
| Summer peak (Jun 15 - Aug 15) | 68.6% | -11.9 pts | 0.0% | 259 |
| All other days | 80.5% | — | 0.2% | 871 |
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).