Best Time to Fly TUL to LAS: On-Time Stats by Hour & Airline
Tulsa International → Harry Reid International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.7% of Tulsa (TUL) to Las Vegas (LAS) flights arrived on time (742 scheduled flights). That is 4.1 points above the national average of 77.6%.
Southwest Airlines was the most punctual of the 2 airlines on the route at 82.6%, while Allegiant Air trailed at 76.6%.
November has been the best month (94% on time) and Friday the weakest day of the week (80%).
0.5% of flights were cancelled, versus 1.8% nationally.
TUL 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 | 82.6% | 58 min | 0.5% | 634 |
| Allegiant Air | 76.6% | 77 min | 0.9% | 108 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly TUL to LAS
On-time arrival % by scheduled departure hour (local time), 1,486 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.7% | 0.0% | 70 |
| 6am–7am | 94.9% | 0.0% | 197 |
| 7am–8am | 93.7% | 0.3% | 319 |
| 8am–9am | Limited data | 17 | |
| 9am–10am | Limited data | 1 | |
| 10am–11am | Limited data | 3 | |
| 11am–12pm | 87.5% | 0.0% | 64 |
| 12pm–1pm | 88.2% | 0.0% | 68 |
| 1pm–2pm | 85.9% | 1.5% | 137 |
| 2pm–3pm | Limited data | 10 | |
| 3pm–4pm | 74.8% | 0.8% | 120 |
| 4pm–5pm | 78.4% | 0.0% | 88 |
| 5pm–6pm | 82.1% | 0.0% | 67 |
| 6pm–7pm | 87.0% | 0.0% | 54 |
| 7pm–8pm | 66.7% | 0.0% | 129 |
| 8pm–9pm | 62.7% | 0.0% | 118 |
| 9pm–10pm | Limited data | 10 | |
| 10pm–11pm | Limited data | 14 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on TUL 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 | 28 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 81.5% | -4.7 pts | 0.0% | 65 |
| Summer peak (Jun 15 - Aug 15) | 78.4% | -7.9 pts | 0.3% | 283 |
| All other days | 86.3% | — | 0.4% | 1,110 |
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).