LAS to DFW flight delays

LAS DFW Harry Reid to Dallas Fort Worth · 1,055 miles

17,279 flights were scheduled from LAS to DFW over July 2023 through June 2026. Of the 16,829 that made the trip, 78.3% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
17,279
Arrived on time
78.3%
Cancelled
2.1%
Scheduled distance
1,055 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on LAS–DFW, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
American Airlines 78.8% 104 min 2.5% 12,118
Spirit Airlines 78.8% 66 min 0.9% 2,627
Frontier Airlines 75.4% 75 min 1.8% 2,534

Month by month

July was the month to avoid on LAS–DFW: 63.2% of flights arrived on time, against 85.8% in December. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 78.3%.
Arrival on-time share, LAS to DFW, by calendar month
Month Share flights that arrived on time Flights
January 78.7% 1,391
February 84.7% 1,341
March 79.6% 1,563
April 79.7% 1,514
May 75.7% 1,582
June 71.2% 1,324
July 63.2% 1,417
August 73.6% 1,383
September 83.6% 1,410
October 81.7% 1,585
November 81.7% 1,371
December 85.8% 1,398

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

LAS to DFW in one number

LAS → DFW

When a flight on this route was late, it was late by about 93 min.

July 2023–June 2026 · 17,279 flights

78.3% of flights arrived on time

Questions about LAS to DFW

Which airline is most reliable from LAS to DFW?
American Airlines — its flights on this pairing arrived on time 78.8% of the time, with 12,118 scheduled. Frontier Airlines came in at 75.4% over 2,534 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly LAS to DFW?
July, at 63.2% of arrivals on time, with 1,417 flights scheduled. December was the best of the year at 85.8%.
How late are LAS–DFW flights when they are late?
93 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the LAS to DFW flight cancelled?
2.1% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at DFW less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.