78% of flights from Las Vegas to Dallas arrived on time over the past 12 months. That is about the typical U.S. route. The 5 a.m. departures ran on time 89% of the time; the 3 p.m. ones 58%. Most reliable airline: Spirit Airlines (80%). 11% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for LAS → DFW: when a flight was late, it was under 45 minutes late 47% of the time. About 1 in 12 flights landed an hour or more late, and 1 in 40 three hours or more; 2.5% were cancelled outright.
- On time or early78%
- 15–30 min late6.0%
- 30–60 min late5.3%
- 1–2 hours late4.2%
- 2–3 hours late1.5%
- 3+ hours late2.5%
- Diverted0.5%
- Cancelled2.5%
Share of all 5,142 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| American Airlines | 4,005 | 78% | 2.7% | −10 min | 8.2% | +103 min | American Airlines |
| Frontier Airlines | 878 | 76% | 1.9% | −9 min | 8.2% | +78 min | Frontier Airlines |
| Spirit Airlines | 259 | 80% | 1.5% | −8 min | 7.7% | +80 min | Spirit Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at LAS). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | American Airlines | Frontier Airlines |
|---|---|---|
| 12 a.m. | — | 73% |
| 5 a.m. | 89% | — |
| 6 a.m. | 89% | 81% |
| 7 a.m. | 85% | — |
| 8 a.m. | 87% | — |
| 9 a.m. | 82% | — |
| 10 a.m. | 81% | — |
| 11 a.m. | 82% | — |
| noon | 66% | — |
| 2 p.m. | 68% | 65% |
| 3 p.m. | 57% | — |
| 4 p.m. | 58% | — |
| 5 p.m. | 78% | — |
| 11 p.m. | 76% | — |
Last flight of the day
On LAS → DFW, each airline's last flight of the day was cancelled 2.8% of the time, against 2.4% for its earlier flights, about the same. It arrived 3+ hours late 1.3% of the time (earlier flights: 2.9%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.
| Airline | Last departure | Last: cancelled | Last: 3h+ late | Earlier: cancelled | Next morning |
|---|---|---|---|---|---|
| American Airlines | 11:59 p.m. | 3.8% | 0.8% | 2.5% | first flight 5:00 a.m. |
| Frontier Airlines | 2:08 p.m. | 1.8% | 1.8% | 1.8% | first flight 12:59 a.m. |
Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.
By month
Each calendar month pooled over 2023–2026. Best: December (85%). Worst: July (64%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 788 | 76% | 2.3% |
| Tuesday | 676 | 83% | 3.0% |
| Wednesday | 678 | 83% | 0.7% |
| Thursday | 755 | 81% | 1.3% |
| Friday | 777 | 73% | 3.4% |
| Saturday | 685 | 75% | 3.1% |
| Sunday | 783 | 72% | 3.6% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 94 · airline 28 · air traffic/airport 6
Month by month
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| AA 2921 | 12:59 a.m. | 138 | 79% | 2.2% | −15 min | American Airlines |
| F9 1650 | 12:59 a.m. | 321 | 74% | 1.9% | −9 min | Frontier Airlines |
| AA 1780 | 5:15 a.m. | 179 | 87% | 1.1% | −15 min | American Airlines |
| AA 1908 | 6:00 a.m. | 306 | 86% | 1.3% | −14 min | American Airlines |
| AA 2932 | 6:00 a.m. | 261 | 91% | 3.1% | −16 min | American Airlines |
| F9 3978 | 6:00 a.m. | 255 | 78% | 2.4% | −8 min | Frontier Airlines |
| AA 654 | 7:00 a.m. | 210 | 83% | 4.3% | −11 min | American Airlines |
| AA 617 | 8:00 a.m. | 209 | 88% | 0.5% | −15 min | American Airlines |
| AA 1584 | 10:11 a.m. | 283 | 82% | 3.2% | −8 min | American Airlines |
| AA 1482 | 12:56 p.m. | 217 | 71% | 2.8% | −2 min | American Airlines |
| AA 777 | 2:02 p.m. | 362 | 67% | 3.9% | −4 min | American Airlines |
| F9 1052 | 2:22 p.m. | 167 | 71% | 1.8% | −6 min | Frontier Airlines |
| AA 2376 | 3:23 p.m. | 125 | 58% | 2.4% | +7 min | American Airlines |
| AA 3286 | 4:53 p.m. | 142 | 59% | 6.3% | +3 min | American Airlines |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Jan 26, 2026 | 14 | 7% | 10 |
| Jan 25, 2026 | 14 | 7% | 8 |
| Mar 7, 2026 | 13 | 15% | 1 |
| Jan 24, 2026 | 11 | 18% | 8 |
| Jun 19, 2026 | 14 | 21% | 4 |
Nearby airport alternatives
Other ways to make the same trip, using airports within 60 miles of Las Vegas or Dallas. None has been clearly more reliable than LAS → DFW.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| LAS → DFW (this route) | 5,142 | 78% | 2.5% |
| LAS → DAL Las Vegas Harry Reid to Dallas Love Field | 2,857 | 70% | 1.5% |
Questions
How often are flights from LAS to DFW on time?
78% of 5,142 scheduled flights from Las Vegas, NV to Dallas/Fort Worth, TX arrived within 15 minutes of schedule between September 2025 and August 2026. 2.5% were cancelled.
What is the best time of day to fly LAS to DFW?
Flights scheduled to leave at 5 a.m. were the most reliable (89% on time). The 3 p.m. departures were the least (58%).
Which airline is most on time from LAS to DFW?
Spirit Airlines: 80% of its 259 flights on the route arrived on time. American Airlines: 78%. Frontier Airlines: 76%.
What month has the most delays from LAS to DFW?
July (64% on time). The best month is December (85%), over 2023–2026.
Is the last flight of the day from LAS to DFW more likely to be cancelled?
Not much. Each airline's last LAS–DFW flight of the day was cancelled 2.8% of the time over the past year, against 2.4% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.
Related
- DFW → LAS (return)
- Las Vegas Harry Reid (LAS) delays by hour
- Flights into Dallas/Fort Worth (DFW)
- American Airlines on-time record
- Frontier Airlines on-time record
- Spirit Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.