LAX to LAS flight delays

LAX LAS Los Angeles to Harry Reid · 236 miles

27,594 flights were scheduled from LAX to LAS over July 2023 through June 2026. Of the 27,375 that made the trip, 76.8% 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
27,594
Arrived on time
76.8%
Cancelled
0.8%
Scheduled distance
236 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 LAX–LAS, 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 74% 53 min 0.6% 7,890
Delta Air Lines 78.6% 59 min 0.6% 5,263
United Airlines 82.9% 58 min 0.9% 4,491
American Airlines 72% 83 min 0.3% 3,460
Spirit Airlines 80.7% 70 min 0.7% 3,355
Frontier Airlines 64.9% 88 min 2% 1,218
SkyWest Airlines 82% 52 min 1.1% 945
Alaska Airlines 80% 53 min 1.5% 528
JetBlue Airways 68.6% 82 min 2.9% 444

Month by month

July was the month to avoid on LAX–LAS: 70.3% of flights arrived on time, against 81.6% in November. 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, 76.8%.
Arrival on-time share, LAX to LAS, by calendar month
Month Share flights that arrived on time Flights
January 79.5% 2,267
February 78.4% 2,116
March 75% 2,308
April 75.8% 2,210
May 74.6% 2,253
June 71.1% 2,122
July 70.3% 2,418
August 76.8% 2,490
September 76.5% 2,309
October 80.1% 2,427
November 81.6% 2,346
December 81.2% 2,328

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.

LAX to LAS in one number

LAX → LAS

When a flight on this route was late, it was late by about 64 min.

July 2023–June 2026 · 27,594 flights

76.8% of flights arrived on time

Questions about LAX to LAS

Which airline is most reliable from LAX to LAS?
United Airlines — its flights on this pairing arrived on time 82.9% of the time, with 4,491 scheduled. Frontier Airlines came in at 64.9% over 1,218 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly LAX to LAS?
July, at 70.3% of arrivals on time, with 2,418 flights scheduled. November was the best of the year at 81.6%.
How late are LAX–LAS flights when they are late?
64 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 LAX to LAS flight cancelled?
0.8% 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 LAS 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.