Las Vegas (LAS) to Dallas/Fort Worth (DFW): On-Time Performance
Data through July 2026
The calendar drives reliability on LAS–DFW. December 2025 flights landed on schedule 87% of the time, but July 2024 dropped to 61% — a gap of 26 points. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 74%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 2.4%
- Flights/day
- 14
- last 12 months
- Duration
- 2h 49m
- scheduled
- Distance
- 1,055 mi
Best airline from LAS to DFW
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| American Airlinesmost reliable | 79% | 22 min | 2.7% | 8,479 |
| Spirit Airlines | 79% | 16 min | 0.9% | 1,422 |
| Frontier Airlines | 77% | 19 min | 2.0% | 1,714 |
Monthly on-time trend
Best time to fly from LAS to DFW
Aim for departures around 5 a.m. (91% on-time); avoid 4 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 18 min |
| Tuesdaybest | 83% | 18 min |
| Wednesday | 82% | 14 min |
| Thursday | 78% | 23 min |
| Friday | 77% | 24 min |
| Saturday | 80% | 20 min |
| Sunday | 75% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft45%
- Airline operations37%
- National airspace system16%
- Weather2%
Frequently asked questions
- How often are flights from LAS to DFW delayed?
- 21% of LAS–DFW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 20 minutes.
- Which airline is most reliable from LAS to DFW?
- American Airlines has the best on-time record on this route at 79%, based on 8,479 flights. 3 airlines flew LAS–DFW frequently enough to compare in this period.
- What is the best time of day to fly from LAS to DFW?
- Departures around 5 a.m. have the best record (91% on-time), while departures around 4 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to DFW?
- The scheduled LAS–DFW flight time averages 2h 49m over 1,055 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are LAS to DFW flights cancelled?
- 2.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from LAS to DFW?
- July 2024 was the roughest month in this dataset, with only 61% of arrivals on time. The best was December 2025 at 87%. If your dates are flexible, that 26-point gap is worth planning around.
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Based on 11,615 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.