Best Time to Fly KOA to LAS: On-Time Stats by Hour & Airline
Ellison Onizuka Kona International at Keahole → Harry Reid International
Data through July 2026 · Last updated October 18, 2026
365 flights were scheduled from Kona (KOA) to Las Vegas (LAS) in the last 12 months, and 95.3% of those that flew arrived on time, 17.7 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Monday was the most reliable day (98% on time) and March the worst month (89%).
The cancellation rate was 0.3% (US average 1.8%).
KOA 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 | 95.3% | 45 min | 0.3% | 365 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly KOA to LAS
On-time arrival % by scheduled departure hour (local time), 730 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 96.2% | 0.0% | 187 |
| 8am–9am | Limited data | 5 | |
| 9am–10am | 89.7% | 0.0% | 58 |
| 7pm–8pm | Limited data | 1 | |
| 8pm–9pm | 96.9% | 0.8% | 353 |
| 9pm–10pm | 92.9% | 0.0% | 126 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on KOA 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 | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 30 | ||
| Summer peak (Jun 15 - Aug 15) | 99.2% | +4.7 pts | 0.8% | 124 |
| All other days | 94.5% | — | 0.4% | 562 |
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).