FlightRecord

Las Vegas (LAS) to Los Angeles (LAX): On-Time Performance

Data through July 2026

The calendar drives reliability on LAS–LAX. November 2024 flights landed on schedule 87% of the time, but July 2024 dropped to 64% — a gap of 22 points. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 70%), which matters most in the rough months.

On-time
79%
arrived <15 min late
Avg delay
14 min
completed flights
Cancelled
0.6%
Flights/day
23
last 12 months
Duration
1h 18m
scheduled
Distance
236 mi

Best airline from LAS to LAX

8 airlines flew this route regularly between 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
Alaska Airlinesmost reliable87%5 min0.0%99
United Airlines86%9 min0.6%3,200
Spirit Airlines84%10 min0.7%1,935
SkyWest Airlines83%11 min1.2%726
Delta Air Lines82%14 min0.8%3,628
Frontier Airlines78%14 min0.5%1,213
American Airlines78%24 min0.5%2,414
Southwest Airlines72%15 min0.3%5,200

Monthly on-time trend

Monthly on-time percentage for LAS to LAX flights50%75%100%August 2024: 79% on-time (840 flights)79Aug 2024September 2024: 79% on-time (788 flights)79October 2024: 80% on-time (859 flights)80November 2024: 87% on-time (804 flights)87Nov 2024December 2024: 85% on-time (805 flights)85January 2025: 84% on-time (745 flights)84February 2025: 84% on-time (710 flights)84Feb 2025March 2025: 79% on-time (812 flights)79April 2025: 83% on-time (757 flights)83May 2025: 82% on-time (766 flights)82May 2025June 2025: 75% on-time (729 flights)75July 2025: 74% on-time (742 flights)74August 2025: 81% on-time (738 flights)81Aug 2025September 2025: 78% on-time (691 flights)78October 2025: 78% on-time (685 flights)78November 2025: 77% on-time (705 flights)77Nov 2025December 2025: 81% on-time (683 flights)81January 2026: 80% on-time (740 flights)80February 2026: 83% on-time (654 flights)83Feb 2026March 2026: 82% on-time (736 flights)82April 2026: 81% on-time (671 flights)81May 2026: 75% on-time (650 flights)75May 2026June 2026: 76% on-time (630 flights)76July 2026: 73% on-time (666 flights)73

Best time to fly from LAS to LAX

Aim for departures around 5 a.m. (97% on-time); avoid 11 p.m. departures (63%).

On-time percentage by scheduled departure hour, LAS to LAX5 a.m.: 97% on-time (319 flights)56 a.m.: 95% on-time (1,955 flights)67 a.m.: 88% on-time (1,390 flights)78 a.m.: 86% on-time (750 flights)89 a.m.: 86% on-time (1,114 flights)910 a.m.: 84% on-time (1,497 flights)1011 a.m.: 78% on-time (797 flights)1112 p.m.: 81% on-time (946 flights)121 p.m.: 80% on-time (1,202 flights)132 p.m.: 77% on-time (932 flights)143 p.m.: 69% on-time (535 flights)154 p.m.: 72% on-time (678 flights)165 p.m.: 73% on-time (1,242 flights)176 p.m.: 72% on-time (1,272 flights)187 p.m.: 72% on-time (1,928 flights)198 p.m.: 67% on-time (976 flights)209 p.m.: 66% on-time (519 flights)2110 p.m.: 70% on-time (297 flights)2211 p.m.: 63% on-time (66 flights)23scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday76%16 min
Tuesdaybest86%9 min
Wednesday86%9 min
Thursday76%17 min
Friday74%17 min
Saturday85%10 min
Sunday74%17 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft52%
  • Airline operations33%
  • National airspace system14%
  • Weather1%

Frequently asked questions

How often are flights from LAS to LAX delayed?
21% of LAS–LAX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 14 minutes.
Which airline is most reliable from LAS to LAX?
Alaska Airlines has the best on-time record on this route at 87%, based on 99 flights. 8 airlines flew LAS–LAX frequently enough to compare in this period.
What is the best time of day to fly from LAS to LAX?
Departures around 5 a.m. have the best record (97% on-time), while departures around 11 p.m. have the worst (63%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from LAS to LAX?
The scheduled LAS–LAX flight time averages 1h 18m over 236 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
How often are LAS to LAX flights cancelled?
0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What is the worst month to fly from LAS to LAX?
July 2024 was the roughest month in this dataset, with only 64% of arrivals on time. The best was November 2024 at 87%. If your dates are flexible, that 22-point gap is worth planning around.

Based on 18,415 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.