Best Time to Fly LAS to DAL: On-Time Stats by Hour & Airline
Harry Reid International → Dallas Love Field
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 71.2% of Las Vegas (LAS) to Dallas (DAL) flights arrived on time (2,842 scheduled flights). That is 6.4 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
January has been the best month (82% on time) and Sunday the weakest day of the week (68%).
1.6% of flights were cancelled, versus 1.8% nationally.
LAS to DAL 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 | 71.2% | 50 min | 1.6% | 2,842 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to DAL
On-time arrival % by scheduled departure hour (local time), 5,811 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 94.6% | 1.3% | 474 |
| 6am–7am | 94.4% | 0.9% | 436 |
| 7am–8am | 87.2% | 1.8% | 496 |
| 8am–9am | 84.7% | 1.9% | 430 |
| 9am–10am | 84.6% | 1.3% | 392 |
| 10am–11am | 79.1% | 1.2% | 327 |
| 11am–12pm | 74.6% | 1.4% | 287 |
| 12pm–1pm | 63.5% | 0.8% | 247 |
| 1pm–2pm | 63.3% | 2.3% | 386 |
| 2pm–3pm | 64.6% | 0.8% | 368 |
| 3pm–4pm | 63.2% | 0.3% | 372 |
| 4pm–5pm | 64.1% | 1.5% | 471 |
| 5pm–6pm | 65.3% | 1.5% | 544 |
| 6pm–7pm | 59.0% | 0.2% | 581 |
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 DAL
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) | 84.8% | +8.6 pts | 0.0% | 106 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.4% | -4.7 pts | 0.4% | 239 |
| Summer peak (Jun 15 - Aug 15) | 66.8% | -9.4 pts | 1.3% | 967 |
| All other days | 76.2% | — | 1.3% | 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).