Best Time to Fly LAS to BOI: On-Time Stats by Hour & Airline
Harry Reid International → Boise Air Terminal
Data through July 2026 · Last updated October 18, 2026
1,362 flights were scheduled from Las Vegas (LAS) to Boise (BOI) in the last 12 months, and 73.1% of those that flew arrived on time, 4.5 points below the US average of 77.6%.
Among 4 airlines, Alaska Airlines led with 85.9% on time and Spirit Airlines was last with 64.1%.
Over 24 months, Saturday was the most reliable day (86% on time) and June the worst month (65%).
The cancellation rate was 0.1% (US average 1.8%).
LAS to BOI 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 |
|---|---|---|---|---|
| Alaska Airlines | 85.9% | 104 min | 0.0% | 71 |
| SkyWest Airlines | 74.9% | 78 min | 0.5% | 188 |
| Southwest Airlines | 72.3% | 49 min | 0.1% | 1,050 |
| Spirit Airlines | 64.1% | 86 min | 0.0% | 39 |
| Allegiant Air | Limited data | 14 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to BOI
On-time arrival % by scheduled departure hour (local time), 2,825 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 21 | |
| 7am–8am | 94.4% | 0.0% | 54 |
| 8am–9am | 93.5% | 0.0% | 459 |
| 9am–10am | 89.8% | 0.0% | 266 |
| 10am–11am | 81.7% | 0.0% | 202 |
| 11am–12pm | 83.3% | 0.0% | 36 |
| 12pm–1pm | 92.0% | 0.0% | 50 |
| 1pm–2pm | Limited data | 29 | |
| 2pm–3pm | 75.7% | 0.3% | 342 |
| 3pm–4pm | 75.0% | 0.7% | 141 |
| 4pm–5pm | 67.2% | 0.6% | 178 |
| 5pm–6pm | 60.0% | 0.0% | 70 |
| 6pm–7pm | 40.4% | 0.0% | 57 |
| 7pm–8pm | 75.1% | 0.0% | 173 |
| 8pm–9pm | 79.8% | 0.7% | 269 |
| 9pm–10pm | 74.3% | 0.0% | 284 |
| 10pm–11pm | 49.0% | 0.0% | 194 |
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 BOI
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) | 77.4% | -2.9 pts | 0.0% | 53 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.5% | -4.8 pts | 0.0% | 110 |
| Summer peak (Jun 15 - Aug 15) | 66.9% | -13.4 pts | 0.0% | 459 |
| All other days | 80.2% | — | 0.2% | 2,203 |
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).