Best Time to Fly LAX to PHX: On-Time Stats by Hour & Airline
Los Angeles International → Phoenix Sky Harbor International
Data through July 2026 · Last updated October 18, 2026
7,629 flights were scheduled from Los Angeles (LAX) to Phoenix (PHX) in the last 12 months, and 80.6% of those that flew arrived on time, 3.0 points above the US average of 77.6%.
Among 6 airlines, United Airlines led with 87.9% on time and Southwest Airlines was last with 74.0%.
Over 24 months, Tuesday was the most reliable day (87% on time) and July the worst month (79%).
The cancellation rate was 0.7% (US average 1.8%).
LAX to PHX on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 87.9% | 78 min | 0.7% | 282 |
| SkyWest Airlines | 87.2% | 60 min | 0.7% | 2,638 |
| Delta Air Lines | 83.9% | 77 min | 0.7% | 150 |
| American Airlines | 78.5% | 91 min | 0.5% | 2,048 |
| Frontier Airlines | 75.4% | 72 min | 1.4% | 498 |
| Southwest Airlines | 74.0% | 52 min | 0.8% | 2,007 |
| Envoy Air | Limited data | 6 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAX to PHX
On-time arrival % by scheduled departure hour (local time), 15,380 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.6% | 0.6% | 503 |
| 6am–7am | 93.5% | 0.3% | 852 |
| 7am–8am | 85.4% | 1.0% | 698 |
| 8am–9am | 90.0% | 0.7% | 1,473 |
| 9am–10am | 85.8% | 0.4% | 474 |
| 10am–11am | 85.6% | 0.5% | 1,311 |
| 11am–12pm | 87.0% | 0.4% | 563 |
| 12pm–1pm | 83.1% | 0.4% | 540 |
| 1pm–2pm | 78.5% | 0.4% | 1,369 |
| 2pm–3pm | 80.8% | 0.6% | 825 |
| 3pm–4pm | 75.9% | 0.2% | 407 |
| 4pm–5pm | 76.4% | 0.1% | 1,296 |
| 5pm–6pm | 79.4% | 0.5% | 1,024 |
| 6pm–7pm | 73.5% | 0.2% | 461 |
| 7pm–8pm | 80.4% | 0.5% | 1,431 |
| 8pm–9pm | 83.3% | 0.6% | 822 |
| 9pm–10pm | 81.5% | 0.3% | 889 |
| 10pm–11pm | 77.5% | 0.2% | 441 |
| 11pm–12am | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAX to PHX
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 86.3% | +2.5 pts | 0.3% | 307 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.8% | -5.9 pts | 0.3% | 611 |
| Summer peak (Jun 15 - Aug 15) | 80.2% | -3.6 pts | 0.4% | 2,493 |
| All other days | 83.7% | — | 0.5% | 11,969 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).