Best Time to Fly DAL to LAS: On-Time Stats by Hour & Airline
Dallas Love Field → Harry Reid International
Data through July 2026 · Last updated October 18, 2026
2,857 flights were scheduled from Dallas (DAL) to Las Vegas (LAS) in the last 12 months, and 74.3% of those that flew arrived on time, 3.3 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
February has been the best month (83% on time) and Thursday the weakest day of the week (73%).
1.2% of flights were cancelled, versus 1.8% nationally.
DAL 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 | 74.3% | 53 min | 1.2% | 2,857 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DAL to LAS
On-time arrival % by scheduled departure hour (local time), 5,824 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 96.6% | 0.7% | 596 |
| 7am–8am | 89.7% | 0.0% | 389 |
| 8am–9am | 91.8% | 0.9% | 344 |
| 9am–10am | 88.3% | 1.5% | 401 |
| 10am–11am | 80.1% | 1.6% | 369 |
| 11am–12pm | 84.3% | 2.5% | 394 |
| 12pm–1pm | 82.9% | 0.5% | 223 |
| 1pm–2pm | 73.9% | 1.5% | 404 |
| 2pm–3pm | 74.1% | 2.1% | 284 |
| 3pm–4pm | 71.0% | 0.6% | 336 |
| 4pm–5pm | 66.4% | 0.5% | 446 |
| 5pm–6pm | 71.4% | 0.8% | 240 |
| 6pm–7pm | 68.4% | 1.5% | 329 |
| 7pm–8pm | 64.3% | 0.5% | 381 |
| 8pm–9pm | 63.9% | 1.9% | 320 |
| 9pm–10pm | 58.8% | 2.2% | 139 |
| 10pm–11pm | 56.4% | 1.8% | 229 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DAL 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) | 77.1% | -1.8 pts | 0.0% | 105 |
| Christmas & New Year (Dec 20 - Jan 3) | 70.5% | -8.5 pts | 1.3% | 239 |
| Summer peak (Jun 15 - Aug 15) | 72.1% | -6.9 pts | 1.0% | 981 |
| All other days | 79.0% | — | 1.2% | 4,499 |
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).