75% of flights from Los Angeles to Las Vegas arrived on time over the past 12 months. That is worse than the typical U.S. route. The 6 a.m. departures ran on time 97% of the time; the 9 p.m. ones 63%. Most reliable airline: United Airlines (83%). 9% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for LAX → LAS: when a flight was late, it was under 45 minutes late 55% of the time. About 1 in 12 flights landed an hour or more late, and 1 in 91 three hours or more; 1.0% were cancelled outright.
- On time or early75%
- 15–30 min late8.8%
- 30–60 min late7.2%
- 1–2 hours late5.1%
- 2–3 hours late1.8%
- 3+ hours late1.1%
- Diverted0.0%
- Cancelled1.0%
Share of all 8,729 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| Southwest Airlines | 2,360 | 70% | 0.7% | −1 min | 8.8% | +53 min | Southwest Airlines |
| Delta Air Lines | 1,731 | 78% | 0.8% | −6 min | 6.8% | +59 min | Delta Air Lines |
| United Airlines | 1,686 | 83% | 0.5% | −7 min | 5.6% | +55 min | United Airlines 93%, SkyWest 7% |
| American Airlines | 1,236 | 71% | 0.7% | −3 min | 10.7% | +81 min | American Airlines 81%, SkyWest 19% |
| Frontier Airlines | 655 | 72% | 1.1% | −6 min | 10.4% | +81 min | Frontier Airlines |
| Alaska Airlines | 604 | 70% | 4.1% | −4 min | 8.1% | +54 min | Horizon Air 87%, SkyWest 10%, Alaska Airlines 3% |
| Spirit Airlines | 457 | 82% | 1.3% | −10 min | 8.1% | +79 min | Spirit Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at LAX). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | Southwest Airlines | Delta Air Lines | United Airlines | American Airlines | Frontier Airlines | Alaska Airlines | Spirit Airlines |
|---|---|---|---|---|---|---|---|
| 5 a.m. | 95% | — | — | — | — | — | — |
| 7 a.m. | 91% | 94% | — | — | — | — | — |
| 8 a.m. | 90% | — | 91% | — | — | — | — |
| 9 a.m. | 76% | — | — | 77% | — | — | 87% |
| 11 a.m. | 64% | 77% | 78% | — | — | 78% | — |
| noon | — | — | — | 61% | 87% | — | — |
| 1 p.m. | 53% | — | 79% | 61% | — | — | — |
| 2 p.m. | 59% | — | — | — | — | — | — |
| 3 p.m. | 57% | 61% | — | — | 69% | — | — |
| 4 p.m. | — | — | 81% | — | — | — | — |
| 5 p.m. | 57% | — | — | — | — | — | — |
| 6 p.m. | 46% | — | 81% | — | — | — | — |
| 7 p.m. | — | 75% | 84% | 72% | — | — | — |
| 8 p.m. | 66% | — | — | — | — | — | — |
| 9 p.m. | 51% | 77% | — | — | — | — | — |
| 10 p.m. | — | — | 84% | — | — | — | — |
Last flight of the day
On LAX → LAS, each airline's last flight of the day was cancelled 0.8% of the time, against 1.0% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 1.0% of the time (earlier flights: 1.1%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.
| Airline | Last departure | Last: cancelled | Last: 3h+ late | Earlier: cancelled | Next morning |
|---|---|---|---|---|---|
| American Airlines | 8:10 p.m. | 0.8% | 1.6% | 0.6% | first flight 8:28 a.m. |
| Alaska Airlines | — | 2.3% | 0.0% | 4.7% | — |
| Delta Air Lines | 9:25 p.m. | 0.8% | 1.1% | 0.8% | first flight 7:15 a.m. |
| Frontier Airlines | 9:09 p.m. | 1.2% | 2.7% | 1.0% | first flight 6:55 a.m. |
| Spirit Airlines | — | 1.5% | 1.5% | 1.3% | — |
| United Airlines | 10:59 p.m. | 0.3% | 0.0% | 0.5% | first flight 8:20 a.m. |
| Southwest Airlines | 9:10 p.m. | 0.0% | 0.3% | 0.8% | first flight 5:35 a.m. |
Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.
By month
Each calendar month pooled over 2023–2026. Best: November (81%). Worst: July (70%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 1,356 | 74% | 1.2% |
| Tuesday | 1,120 | 83% | 0.4% |
| Wednesday | 1,100 | 83% | 0.2% |
| Thursday | 1,319 | 69% | 1.3% |
| Friday | 1,362 | 67% | 1.6% |
| Saturday | 1,110 | 78% | 0.8% |
| Sunday | 1,362 | 74% | 1.0% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: airline 40 · weather 22 · air traffic/airport 22
Month by month
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| F9 1184 | 6:30 a.m. | 127 | 80% | 0.8% | −11 min | Frontier Airlines |
| DL 2253 | 7:35 a.m. | 349 | 94% | 1.4% | −11 min | Delta Air Lines |
| UA 1006 | 8:15 a.m. | 285 | 91% | 0.7% | −12 min | United Airlines |
| DL 1696 | 11:43 a.m. | 239 | 76% | 0.8% | −1 min | Delta Air Lines |
| F9 3292 | 12:07 p.m. | 316 | 78% | 0.9% | −7 min | Frontier Airlines |
| UA 2741 | 1:12 p.m. | 177 | 81% | 0.0% | −4 min | United Airlines |
| DL 2120 | 3:32 p.m. | 363 | 65% | 0.5% | 0 min | Delta Air Lines |
| UA 679 | 7:20 p.m. | 263 | 80% | 0.0% | −8 min | United Airlines |
| AA 2785 | 7:40 p.m. | 316 | 72% | 0.9% | −1 min | American Airlines |
| DL 2202 | 7:59 p.m. | 152 | 74% | 0.0% | −3 min | Delta Air Lines |
| F9 2264 | 8:27 p.m. | 176 | 61% | 1.7% | +3 min | Frontier Airlines |
| DL 2653 | 9:30 p.m. | 323 | 78% | 0.6% | −8 min | Delta Air Lines |
| UA 1546 | 10:35 p.m. | 259 | 83% | 0.4% | −4 min | United Airlines |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Jan 1, 2026 | 24 | 21% | 0 |
| Feb 16, 2026 | 25 | 24% | 0 |
| May 18, 2026 | 23 | 26% | 0 |
| Aug 14, 2026 | 27 | 30% | 1 |
| Dec 24, 2025 | 20 | 30% | 0 |
Nearby airport alternatives
Other ways to make the same trip, using airports within 60 miles of Los Angeles or Las Vegas. SNA → LAS has been 7 points more reliable.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| LAX → LAS (this route) | 8,729 | 75% | 1.0% |
| SNA → LAS Orange County John Wayne to Las Vegas Harry Reid | 4,080 | 82% | 0.7% |
| LGB → LAS Long Beach to Las Vegas Harry Reid | 2,087 | 80% | 0.5% |
| BUR → LAS Hollywood Burbank to Las Vegas Harry Reid | 4,116 | 79% | 1.7% |
| ONT → LAS Ontario to Las Vegas Harry Reid | 2,469 | 76% | 0.9% |
Questions
How often are flights from LAX to LAS on time?
75% of 8,729 scheduled flights from Los Angeles, CA to Las Vegas, NV arrived within 15 minutes of schedule between September 2025 and August 2026. 1.0% were cancelled.
What is the best time of day to fly LAX to LAS?
Flights scheduled to leave at 6 a.m. were the most reliable (97% on time). The 9 p.m. departures were the least (63%).
Which airline is most on time from LAX to LAS?
United Airlines: 83% of its 1,686 flights on the route arrived on time. Southwest Airlines: 70%. Delta Air Lines: 78%. American Airlines: 71%. Frontier Airlines: 72%. Alaska Airlines: 70%. Spirit Airlines: 82%.
What month has the most delays from LAX to LAS?
July (70% on time). The best month is November (81%), over 2023–2026.
Is the last flight of the day from LAX to LAS more likely to be cancelled?
No, the opposite. Each airline's last LAX–LAS flight of the day was cancelled 0.8% of the time over the past year, against 1.0% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.
Related
- LAS → LAX (return)
- Los Angeles LAX (LAX) delays by hour
- Flights into Las Vegas Harry Reid (LAS)
- Southwest Airlines on-time record
- Delta Air Lines on-time record
- United Airlines on-time record
- American Airlines on-time record
- Frontier Airlines on-time record
- Alaska Airlines on-time record
- Spirit Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.