Best Time to Fly PHX to LAX: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Los Angeles International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 82.1% of Phoenix (PHX) to Los Angeles (LAX) flights arrived on time (7,606 scheduled flights). That is 4.5 points above the national average of 77.6%.
Delta Air Lines was the most punctual of the 6 airlines on the route at 94.0%, while Southwest Airlines trailed at 71.2%.
February has been the best month (87% on time) and Sunday the weakest day of the week (78%).
0.6% of flights were cancelled, versus 1.8% nationally.
PHX to LAX 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 |
|---|---|---|---|---|
| Delta Air Lines | 94.0% | 156 min | 0.7% | 150 |
| SkyWest Airlines | 89.8% | 68 min | 0.7% | 2,638 |
| United Airlines | 86.7% | 85 min | 1.1% | 282 |
| Frontier Airlines | 83.0% | 84 min | 1.2% | 499 |
| American Airlines | 81.0% | 63 min | 0.5% | 2,049 |
| Southwest Airlines | 71.2% | 47 min | 0.4% | 1,983 |
| Envoy Air | Limited data | 5 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to LAX
On-time arrival % by scheduled departure hour (local time), 15,356 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 100.0% | 0.0% | 82 |
| 6am–7am | 96.0% | 0.2% | 1,873 |
| 7am–8am | 92.9% | 0.4% | 1,390 |
| 8am–9am | 88.0% | 0.1% | 829 |
| 9am–10am | 87.2% | 0.0% | 382 |
| 10am–11am | 88.7% | 0.6% | 1,579 |
| 11am–12pm | 85.7% | 1.6% | 925 |
| 12pm–1pm | 86.6% | 0.2% | 523 |
| 1pm–2pm | 84.6% | 0.2% | 880 |
| 2pm–3pm | 83.5% | 0.2% | 810 |
| 3pm–4pm | 78.3% | 0.4% | 827 |
| 4pm–5pm | 81.2% | 0.3% | 1,113 |
| 5pm–6pm | 77.8% | 0.2% | 922 |
| 6pm–7pm | 74.1% | 0.2% | 584 |
| 7pm–8pm | 81.4% | 0.2% | 814 |
| 8pm–9pm | 70.6% | 0.3% | 1,029 |
| 9pm–10pm | 74.2% | 0.4% | 514 |
| 10pm–11pm | 58.1% | 0.4% | 273 |
| 11pm–12am | Limited data | 7 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHX to LAX
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) | 83.7% | -1.5 pts | 0.0% | 307 |
| Christmas & New Year (Dec 20 - Jan 3) | 79.1% | -6.1 pts | 0.3% | 616 |
| Summer peak (Jun 15 - Aug 15) | 80.8% | -4.4 pts | 0.2% | 2,470 |
| All other days | 85.2% | — | 0.4% | 11,963 |
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).