Route reliability
Dallas/Fort Worth (DFW) to Las Vegas (LAS): which airline is most on time?
On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Dallas/Fort Worth, TX (DFW) to Las Vegas, NV (LAS), September 2025 to August 2026.
Dallas/Fort Worth, TXLas Vegas, NV
Route at a glance · September 2025 to August 2026
DFW to LAS
Dallas/Fort Worth, TX to Las Vegas, NV
- On time
- 67.0%vs 75.6% U.S. average Worse than average
- Cancelled
- 2.4%vs 1.9% U.S. average Worse than average
- 60+ min late
- 11.0%vs 8.1% U.S. average Worse than average
- Scheduled flights
- 5,138in 12 months3 airlines
- Most reliable airline
- Frontier Airlines72.2% on time · 879 flights
On time less 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) | 77.0% | 2.0% | 9.8% | 96 min | 0.0% | 256 |
| 2. Frontier Airlines Most reliable | 72.2% | 1.9% | 9.0% | 70 min | 0.0% | 879 |
| 3. American Airlines | 65.3% | 2.5% | 11.5% | 69 min | 0.2% | 4,003 |
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
Frontier Airlines has the strongest record on this route.
- Frontier Airlines had the best on-time record from Dallas/Fort Worth (DFW) to Las Vegas (LAS): 72.2% of its 879 scheduled flights arrived within 15 minutes of schedule, compared with 65.3% for American Airlines.
- Spirit Airlines (77.0% on 256 flights) scored higher but flew the route far less often, so that result is less certain.
- 2.4% of flights on this route were cancelled (about 1 in 42), 0.5 points higher than the U.S. average of 1.9%.
- 11.0% of flights, about 1 in 9, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 70 min.
- Overall, 67.0% of flights on this route arrived on time, 8.6 points lower than the U.S. average of 75.6%.
- Over the last 3 years, December was the most reliable month on this route (76.6% on time) and July the least reliable (54.2%).
- Cancellations peaked in January, when 5.2% of flights were cancelled.
- Flights scheduled to depart 8 am to 9 am were the most punctual (85.8% on time); flights scheduled to depart 8 pm to 9 pm were the least (55.4%).
- In the other direction, Las Vegas (LAS) to Dallas/Fort Worth (DFW), 77.5% of flights were on time and 2.5% were cancelled. Compare airlines LAS to DFW.
Best and worst months to fly DFW to LAS
Share of scheduled flights on time 12-month average 67.0%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 67.7% | 1,390 |
| February | 76.5% | 1,339 |
| March | 68.6% | 1,559 |
| April | 69.8% | 1,515 |
| May | 59.0% | 1,578 |
| June | 57.5% | 1,324 |
| July | 54.2% | 1,343 |
| August | 63.8% | 1,322 |
| September | 71.0% | 1,419 |
| October | 74.7% | 1,581 |
| November | 72.5% | 1,375 |
| December | 76.6% | 1,396 |
| Airline | Best month | Worst month |
|---|---|---|
| Spirit Airlines | April (83.3%) | July (64.0%) |
| Frontier Airlines | December (85.6%) | May (65.8%) |
| American Airlines | February (74.9%) | July (49.6%) |
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 | 69.7% | 426 |
| Oct 2025 | 69.3% | 476 |
| Nov 2025 | 68.8% | 420 |
| Dec 2025 | 74.6% | 445 |
| Jan 2026 | 66.6% | 422 |
| Feb 2026 | 71.8% | 380 |
| Mar 2026 | 76.6% | 462 |
| Apr 2026 | 68.2% | 468 |
| May 2026 | 67.3% | 452 |
| Jun 2026 | 51.3% | 382 |
| Jul 2026 | 56.7% | 402 |
| Aug 2026 | 59.8% | 403 |
Best and worst departure times
Share of scheduled flights on time
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing 6 am to 7 am | Insufficient sample | 22 |
| Departing 7 am to 8 am | 84.1% | 389 |
| Departing 8 am to 9 am | 85.8% | 372 |
| Departing 9 am to 10 am | 74.2% | 124 |
| Departing 10 am to 11 am | 84.5% | 103 |
| Departing 11 am to noon | 68.8% | 317 |
| Departing noon to 1 pm | 72.1% | 391 |
| Departing 1 pm to 2 pm | 62.6% | 227 |
| Departing 2 pm to 3 pm | 71.8% | 301 |
| Departing 3 pm to 4 pm | 67.6% | 145 |
| Departing 4 pm to 5 pm | 60.2% | 387 |
| Departing 5 pm to 6 pm | 59.6% | 456 |
| Departing 6 pm to 7 pm | 66.1% | 186 |
| Departing 7 pm to 8 pm | 58.7% | 375 |
| Departing 8 pm to 9 pm | 55.4% | 455 |
| Departing 9 pm to 10 pm | 57.1% | 382 |
| Departing 10 pm to 11 pm | 63.4% | 495 |
| Departing 11 pm to midnight | Insufficient sample | 11 |
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 Dallas/Fort Worth, TX (DFW) to Las Vegas, NV (LAS), 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.