Las Vegas (LAS) to Phoenix (PHX): On-Time Performance
Data through July 2026
Las Vegas (LAS) to Phoenix (PHX) effectively runs on two schedules. In December 2024, 88% of arrivals were on time; in July 2024 that fell to 69% — a 20-point seasonal swing. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 69%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 16
- last 12 months
- Duration
- 1h 17m
- scheduled
- Distance
- 255 mi
Best airline from LAS to PHX
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| American Airlinesmost reliable | 82% | 16 min | 0.5% | 3,913 |
| Frontier Airlines | 81% | 19 min | 1.0% | 1,974 |
| Southwest Airlines | 78% | 12 min | 1.0% | 7,290 |
| Spirit Airlines | 78% | 15 min | 1.4% | 281 |
Monthly on-time trend
Best time to fly from LAS to PHX
Aim for departures around 5 a.m. (97% on-time); avoid 6 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 17 min |
| Tuesday | 86% | 10 min |
| Wednesday | 85% | 11 min |
| Thursday | 75% | 17 min |
| Friday | 75% | 19 min |
| Saturdaybest | 88% | 8 min |
| Sunday | 75% | 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 aircraft58%
- Airline operations29%
- National airspace system12%
- Weather1%
Frequently asked questions
- How often are flights from LAS to PHX delayed?
- 20% of LAS–PHX 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 PHX?
- American Airlines has the best on-time record on this route at 82%, based on 3,913 flights. 4 airlines flew LAS–PHX frequently enough to compare in this period.
- What is the best time of day to fly from LAS to PHX?
- Departures around 5 a.m. have the best record (97% on-time), while departures around 6 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to PHX?
- The scheduled LAS–PHX flight time averages 1h 17m over 255 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are LAS to PHX flights cancelled?
- 0.9% 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 PHX?
- July 2024 was the roughest month in this dataset, with only 69% of arrivals on time. The best was December 2024 at 88%. If your dates are flexible, that 20-point gap is worth planning around.
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Based on 13,487 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.