Las Vegas (LAS) to Los Angeles (LAX): On-Time Performance
Data through May 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
- 0.5%
- 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 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlinesmost reliable | 89% | 4 min | 0.0% | 117 |
| United Airlines | 86% | 9 min | 0.6% | 3,094 |
| SkyWest Airlines | 84% | 11 min | 1.4% | 624 |
| Spirit Airlines | 83% | 10 min | 0.6% | 2,050 |
| Delta Air Lines | 82% | 13 min | 0.8% | 3,482 |
| American Airlines | 79% | 23 min | 0.5% | 2,403 |
| Frontier Airlines | 78% | 13 min | 0.4% | 1,099 |
| Southwest Airlines | 72% | 15 min | 0.3% | 5,006 |
Monthly on-time trend
Best time to fly from LAS to LAX
Aim for departures around 5 a.m. (97% on-time); avoid 11 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 15 min |
| Tuesday | 86% | 10 min |
| Wednesdaybest | 86% | 9 min |
| Thursday | 75% | 17 min |
| Friday | 75% | 17 min |
| Saturday | 85% | 10 min |
| Sunday | 74% | 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 aircraft53%
- Airline operations32%
- National airspace system15%
- 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 2024-06 and 2026-05. 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 89%, based on 117 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 (60%). 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?
- 0.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, 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.
Explore related pages
More routes from LAS
Based on 17,887 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.