LAS to HOU flight delays

LAS HOU Harry Reid to William P. Hobby · 1,235 miles

6,154 flights were scheduled from LAS to HOU over July 2023 through June 2026. Of the 6,086 that made the trip, 76.3% 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
6,154
Arrived on time
76.3%
Cancelled
0.7%
Scheduled distance
1,235 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–HOU, 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
Southwest Airlines 76.3% 48 min 0.7% 6,154

Month by month

July was the month to avoid on LAS–HOU: 67.2% of flights arrived on time, against 82% in January. 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, 76.3%.
Arrival on-time share, LAS to HOU, by calendar month
Month Share flights that arrived on time Flights
January 82% 490
February 80.9% 454
March 73.9% 516
April 79.7% 496
May 73.3% 509
June 71.7% 519
July 67.2% 556
August 76.7% 521
September 79.3% 472
October 73.9% 548
November 80.8% 533
December 78% 540

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 HOU in one number

LAS → HOU

When a flight on this route was late, it was late by about 48 min.

July 2023–June 2026 · 6,154 flights

76.3% of flights arrived on time

Questions about LAS to HOU

How often do LAS to HOU flights arrive on time?
76.3% of the time, across the 6,086 flights that actually made the trip, July 2023 through June 2026. No single airline flew enough of them to be rated separately.
What is the worst month to fly LAS to HOU?
July, at 67.2% of arrivals on time, with 556 flights scheduled. January was the best of the year at 82%.
How late are LAS–HOU flights when they are late?
48 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 HOU flight cancelled?
0.7% 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 HOU 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.