Best Time to Fly OKC to LAS: On-Time Stats by Hour & Airline
Okc Will Rogers International → Harry Reid International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.2% of Oklahoma City (OKC) to Las Vegas (LAS) flights arrived on time (1,224 scheduled flights). That is 3.5 points above the national average of 77.6%.
Among 2 airlines, Frontier Airlines led with 84.3% on time and Southwest Airlines was last with 80.5%.
Over 24 months, Saturday was the most reliable day (89% on time) and June the worst month (70%).
The cancellation rate was 0.7% (US average 1.8%).
OKC 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 |
|---|---|---|---|---|
| Frontier Airlines | 84.3% | 119 min | 0.7% | 141 |
| Southwest Airlines | 80.5% | 50 min | 0.7% | 1,061 |
| Allegiant Air | Limited data | 22 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly OKC to LAS
On-time arrival % by scheduled departure hour (local time), 2,437 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 9 | |
| 6am–7am | 95.4% | 0.7% | 287 |
| 7am–8am | 95.0% | 0.6% | 324 |
| 8am–9am | 92.9% | 0.0% | 99 |
| 9am–10am | Limited data | 9 | |
| 10am–11am | Limited data | 5 | |
| 11am–12pm | 95.0% | 0.0% | 80 |
| 12pm–1pm | 87.0% | 0.3% | 309 |
| 1pm–2pm | 79.9% | 1.1% | 272 |
| 2pm–3pm | 72.7% | 0.0% | 88 |
| 3pm–4pm | 75.0% | 0.0% | 49 |
| 4pm–5pm | 75.2% | 0.0% | 105 |
| 5pm–6pm | 85.9% | 1.0% | 100 |
| 6pm–7pm | 84.5% | 0.5% | 195 |
| 7pm–8pm | 63.6% | 0.4% | 237 |
| 8pm–9pm | 63.0% | 0.4% | 231 |
| 9pm–10pm | 71.0% | 0.0% | 38 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on OKC 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) | 79.5% | -4.8 pts | 0.0% | 44 |
| Christmas & New Year (Dec 20 - Jan 3) | 81.8% | -2.5 pts | 0.0% | 99 |
| Summer peak (Jun 15 - Aug 15) | 75.3% | -9.0 pts | 0.5% | 441 |
| All other days | 84.4% | — | 0.6% | 1,853 |
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).