Best Time to Fly LAS to DFW: On-Time Stats by Hour & Airline
Harry Reid International → Dallas/Fort Worth International
Data through July 2026 · Last updated October 18, 2026
5,139 flights were scheduled from Las Vegas (LAS) to Dallas/Fort Worth (DFW) in the last 12 months, and 80.4% of those that flew arrived on time, 2.7 points above the US average of 77.6%.
Among 3 airlines, Spirit Airlines led with 82.2% on time and Frontier Airlines was last with 79.0%.
Over 24 months, Tuesday was the most reliable day (84% on time) and July the worst month (69%).
The cancellation rate was 2.6% (US average 1.8%).
LAS to DFW 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 |
|---|---|---|---|---|
| Spirit Airlines | 82.2% | 78 min | 1.3% | 311 |
| American Airlines | 80.5% | 104 min | 2.9% | 3,987 |
| Frontier Airlines | 79.0% | 77 min | 1.8% | 841 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to DFW
On-time arrival % by scheduled departure hour (local time), 11,110 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | 81.1% | 1.7% | 940 |
| 1am–2am | 88.9% | 0.0% | 91 |
| 5am–6am | 92.0% | 0.9% | 760 |
| 6am–7am | 90.0% | 1.8% | 1,187 |
| 7am–8am | 85.8% | 2.1% | 801 |
| 8am–9am | 84.5% | 1.9% | 1,069 |
| 9am–10am | 85.7% | 2.5% | 791 |
| 10am–11am | 82.6% | 2.6% | 660 |
| 11am–12pm | 82.6% | 1.5% | 405 |
| 12pm–1pm | 70.1% | 2.6% | 691 |
| 1pm–2pm | 79.3% | 3.0% | 399 |
| 2pm–3pm | 67.1% | 3.6% | 742 |
| 3pm–4pm | 66.7% | 2.9% | 311 |
| 4pm–5pm | 65.0% | 3.6% | 661 |
| 5pm–6pm | 68.5% | 4.3% | 485 |
| 6pm–7pm | 74.4% | 2.8% | 358 |
| 7pm–8pm | 76.0% | 1.1% | 181 |
| 8pm–9pm | Limited data | 17 | |
| 9pm–10pm | Limited data | 23 | |
| 11pm–12am | 82.0% | 3.0% | 538 |
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 DFW
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) | 84.2% | +2.2 pts | 1.0% | 198 |
| Christmas & New Year (Dec 20 - Jan 3) | 81.8% | -0.2 pts | 3.0% | 434 |
| Summer peak (Jun 15 - Aug 15) | 70.2% | -11.9 pts | 2.4% | 1,734 |
| All other days | 82.0% | — | 2.4% | 8,744 |
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).