Dallas/Fort Worth (DFW) to Las Vegas (LAS): On-Time Performance
Data through July 2026
When you fly DFW to LAS matters as much as anything else about the booking: the route swung from 82% on-time in October 2024 to just 51% in July 2024. Across the full period the route averages 69% on-time against a national 78%. Morning departures also hold up better than evening ones (81% vs 63%), which matters most in the rough months.
- On-time
- 69%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 2.2%
- Flights/day
- 14
- last 12 months
- Duration
- 2h 59m
- scheduled
- Distance
- 1,055 mi
Best airline from DFW to LAS
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 78% | 17 min | 0.8% | 1,419 |
| Frontier Airlines | 76% | 19 min | 1.8% | 1,713 |
| American Airlines | 67% | 24 min | 2.6% | 8,477 |
Monthly on-time trend
Best time to fly from DFW to LAS
Aim for departures around 6 a.m. (91% on-time); avoid 9 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 66% | 25 min |
| Tuesdaybest | 76% | 17 min |
| Wednesday | 75% | 17 min |
| Thursday | 68% | 22 min |
| Friday | 67% | 24 min |
| Saturday | 71% | 22 min |
| Sunday | 65% | 29 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft51%
- Airline operations29%
- National airspace system15%
- Weather5%
Frequently asked questions
- How often are flights from DFW to LAS delayed?
- 31% of DFW–LAS 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 22 minutes.
- Which airline is most reliable from DFW to LAS?
- Spirit Airlines has the best on-time record on this route at 78%, based on 1,419 flights. 3 airlines flew DFW–LAS frequently enough to compare in this period.
- What is the best time of day to fly from DFW to LAS?
- Departures around 6 a.m. have the best record (91% on-time), while departures around 9 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DFW to LAS?
- The scheduled DFW–LAS flight time averages 2h 59m over 1,055 miles. Actual arrival times vary — flights on this route land 15+ minutes late 31% of the time.
- How often are DFW to LAS flights cancelled?
- 2.2% 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 DFW to LAS?
- July 2024 was the roughest month in this dataset, with only 51% of arrivals on time. The best was October 2024 at 82%. If your dates are flexible, that 31-point gap is worth planning around.
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Based on 11,609 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.