Phoenix (PHX) to Las Vegas (LAS): On-Time Performance
Data through July 2026
Phoenix (PHX) to Las Vegas (LAS) effectively runs on two schedules. In November 2024, 86% of arrivals were on time; in July 2024 that fell to 67% — a 20-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 69%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 16
- last 12 months
- Duration
- 1h 12m
- scheduled
- Distance
- 255 mi
Best airline from PHX to LAS
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Frontier Airlinesmost reliable | 81% | 19 min | 1.0% | 1,972 |
| Southwest Airlines | 78% | 12 min | 0.8% | 7,289 |
| American Airlines | 78% | 17 min | 0.5% | 3,914 |
| Spirit Airlines | 76% | 18 min | 2.5% | 282 |
Monthly on-time trend
Best time to fly from PHX to LAS
Aim for departures around 6 a.m. (97% on-time); avoid 5 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 17 min |
| Tuesday | 81% | 14 min |
| Wednesday | 83% | 11 min |
| Thursday | 73% | 17 min |
| Friday | 74% | 19 min |
| Saturdaybest | 86% | 8 min |
| Sunday | 77% | 16 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 operations28%
- National airspace system17%
- Weather2%
Frequently asked questions
- How often are flights from PHX to LAS delayed?
- 22% of PHX–LAS 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 15 minutes.
- Which airline is most reliable from PHX to LAS?
- Frontier Airlines has the best on-time record on this route at 81%, based on 1,972 flights. 4 airlines flew PHX–LAS frequently enough to compare in this period.
- What is the best time of day to fly from PHX to LAS?
- Departures around 6 a.m. have the best record (97% on-time), while departures around 5 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHX to LAS?
- The scheduled PHX–LAS flight time averages 1h 12m over 255 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are PHX to LAS flights cancelled?
- 0.8% 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 PHX to LAS?
- July 2024 was the roughest month in this dataset, with only 67% of arrivals on time. The best was November 2024 at 86%. If your dates are flexible, that 20-point gap is worth planning around.
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Based on 13,486 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.