Route reliability
Las Vegas (LAS) to Dallas/Fort Worth (DFW): which airline is most on time?
On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Las Vegas, NV (LAS) to Dallas/Fort Worth, TX (DFW), September 2025 to August 2026.
Las Vegas, NVDallas/Fort Worth, TX
Route at a glance · September 2025 to August 2026
LAS to DFW
Las Vegas, NV to Dallas/Fort Worth, TX
- On time
- 77.5%vs 75.6% U.S. average Better than average
- Cancelled
- 2.5%vs 1.9% U.S. average Worse than average
- 60+ min late
- 8.3%vs 8.1% U.S. average About average
- Scheduled flights
- 5,142in 12 months3 airlines
- Most reliable airline
- American Airlines77.7% on time · 4,005 flights
On time more often than the U.S. average, with more cancellations.
Airlines on this route
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Diverted | Flights |
|---|---|---|---|---|---|---|
| 1. Spirit Airlines Small sample (under 300 flights) | 80.3% | 1.5% | 7.7% | 80 min | 0.8% | 259 |
| 2. American Airlines Most reliable | 77.7% | 2.7% | 8.3% | 103 min | 0.5% | 4,005 |
| 3. Frontier Airlines | 75.9% | 1.9% | 8.2% | 78 min | 0.6% | 878 |
On time = arrived within 15 minutes of schedule. Avg delay when late = average arrival delay of flights 15+ minutes late. "Most reliable" needs at least 300 flights in 12 months. Tap a heading to sort.
What this means
American Airlines has the strongest record on this route.
- American Airlines had the best on-time record from Las Vegas (LAS) to Dallas/Fort Worth (DFW): 77.7% of its 4,005 scheduled flights arrived within 15 minutes of schedule, compared with 75.9% for Frontier Airlines. The gap is small, so treat the airlines as roughly equal on punctuality.
- Spirit Airlines (80.3% on 259 flights) scored higher but flew the route far less often, so that result is less certain.
- 2.5% of flights on this route were cancelled (about 1 in 40), 0.6 points higher than the U.S. average of 1.9%.
- 8.3% of flights, about 1 in 12, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 97 min.
- Overall, 77.5% of flights on this route arrived on time, 1.9 points higher than the U.S. average of 75.6%.
- Over the last 3 years, December was the most reliable month on this route (84.5% on time) and July the least reliable (64.4%).
- Cancellations peaked in January, when 5.3% of flights were cancelled.
- Flights scheduled to depart 6 am to 7 am were the most punctual (86.8% on time); flights scheduled to depart 3 pm to 4 pm were the least (58.2%).
- In the other direction, Dallas/Fort Worth (DFW) to Las Vegas (LAS), 67.0% of flights were on time and 2.4% were cancelled. Compare airlines DFW to LAS.
Best and worst months to fly LAS to DFW
Share of scheduled flights on time 12-month average 77.5%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 74.3% | 1,391 |
| February | 84.4% | 1,341 |
| March | 77.7% | 1,563 |
| April | 77.3% | 1,514 |
| May | 72.0% | 1,582 |
| June | 67.9% | 1,324 |
| July | 64.4% | 1,341 |
| August | 71.0% | 1,325 |
| September | 82.4% | 1,410 |
| October | 80.8% | 1,585 |
| November | 80.0% | 1,371 |
| December | 84.5% | 1,398 |
| Airline | Best month | Worst month |
|---|---|---|
| Spirit Airlines | February (86.9%) | July (63.2%) |
| American Airlines | September (85.6%) | July (65.3%) |
| Frontier Airlines | February (86.3%) | July (61.3%) |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 83.2% | 423 |
| Oct 2025 | 79.7% | 479 |
| Nov 2025 | 78.4% | 416 |
| Dec 2025 | 85.2% | 446 |
| Jan 2026 | 70.0% | 424 |
| Feb 2026 | 82.9% | 380 |
| Mar 2026 | 82.2% | 465 |
| Apr 2026 | 83.1% | 467 |
| May 2026 | 80.2% | 455 |
| Jun 2026 | 63.4% | 382 |
| Jul 2026 | 68.8% | 401 |
| Aug 2026 | 69.6% | 404 |
Best and worst departure times
Share of scheduled flights on time
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 78.8% | 628 |
| Departing 6 am to 7 am | 86.8% | 552 |
| Departing 7 am to 8 am | 85.1% | 476 |
| Departing 8 am to 9 am | 85.0% | 533 |
| Departing 9 am to 10 am | 82.9% | 322 |
| Departing 10 am to 11 am | 80.7% | 362 |
| Departing 11 am to noon | 79.7% | 290 |
| Departing noon to 1 pm | 67.2% | 354 |
| Departing 1 pm to 2 pm | 72.3% | 159 |
| Departing 2 pm to 3 pm | 67.2% | 381 |
| Departing 3 pm to 4 pm | 58.2% | 177 |
| Departing 4 pm to 5 pm | 60.3% | 330 |
| Departing 5 pm to 6 pm | 77.8% | 176 |
| Departing 6 pm to 7 pm | 80.9% | 68 |
| Departing 7 pm to 8 pm | Insufficient sample | 12 |
| Departing 8 pm to 9 pm | Insufficient sample | 10 |
| Departing 9 pm to 10 pm | Insufficient sample | 21 |
| Departing 11 pm to midnight | 75.6% | 291 |

Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Nonstop scheduled flights from Las Vegas, NV (LAS) to Dallas/Fort Worth, TX (DFW), one direction. Airlines that report to the DOT only.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.