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.

Historical performance Official DOT data through August 2026 · Not live flight status

Las Vegas, NVDallas/Fort Worth, TX

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

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.

Compared with all U.S. flights, September 2025 to August 2026. “About average” means within 1.5 points for on time, 0.3 for cancelled and 1 for 60+ minutes late.

Airlines on this route

Ranked by on-time arrival

Airlines from LAS to DFW, September 2025 to August 2026. Rates are shares of all scheduled flights.
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

Jan 74.3%
Feb 84.4%
Mar 77.7%
Apr 77.3%
May 72.0%
Jun 67.9%
Jul 64.4%
Aug 71.0%
Sep 82.4%
Oct 80.8%
Nov 80.0%
Dec 84.5%
Share of scheduled flights on time 12-month average 77.5%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
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
Best and worst calendar month by airline, September 2023 to August 2026.
AirlineBest monthWorst 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

Sep 83.2%
Oct 79.7%
Nov 78.4%
Dec 85.2%
Jan 70.0%
Feb 82.9%
Mar 82.2%
Apr 83.1%
May 80.2%
Jun 63.4%
Jul 68.8%
Aug 69.6%
Share of scheduled flights on time U.S. average 75.6%
All airlines combined, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
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

<6a 78.8%
6a 86.8%
7a 85.1%
8a 85.0%
9a 82.9%
10a 80.7%
11a 79.7%
12p 67.2%
1p 72.3%
2p 67.2%
3p 58.2%
4p 60.3%
5p 77.8%
6p 80.9%
7p Insufficient sample
8p Insufficient sample
9p Insufficient sample
11p 75.6%
Share of scheduled flights on time
By scheduled local departure hour at LAS, September 2025 to August 2026. Hours with no scheduled flights are omitted. Scale starts at zero.
Show as table
PeriodOn timeFlights
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
Woman at an airport window watching a plane take off
Photo: Depositphotos (licensed stock, illustrative only). Credits

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.

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