Best Time to Fly SNA to PHX: On-Time Stats by Hour & Airline
John Wayne Airport-Orange County → Phoenix Sky Harbor International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 82.2% of Santa Ana (SNA) to Phoenix (PHX) flights arrived on time (4,636 scheduled flights). That is 4.6 points above the national average of 77.6%.
Southwest Airlines was the most punctual of the 3 airlines on the route at 83.2%, while American Airlines trailed at 80.9%.
September has been the best month (89% on time) and Sunday the weakest day of the week (77%).
0.7% of flights were cancelled, versus 1.8% nationally.
SNA 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 |
|---|---|---|---|---|
| Southwest Airlines | 83.2% | 45 min | 0.5% | 2,428 |
| Frontier Airlines | 82.7% | 78 min | 2.5% | 285 |
| American Airlines | 80.9% | 92 min | 0.6% | 1,923 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SNA to PHX
On-time arrival % by scheduled departure hour (local time), 9,021 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 93.8% | 0.3% | 887 |
| 7am–8am | 90.9% | 0.4% | 487 |
| 8am–9am | 91.5% | 0.0% | 317 |
| 9am–10am | 90.5% | 0.8% | 868 |
| 10am–11am | 90.0% | 0.4% | 555 |
| 11am–12pm | 89.0% | 0.8% | 395 |
| 12pm–1pm | 80.9% | 0.4% | 939 |
| 1pm–2pm | 78.6% | 0.8% | 608 |
| 2pm–3pm | 80.5% | 0.0% | 349 |
| 3pm–4pm | 77.2% | 1.4% | 369 |
| 4pm–5pm | 77.8% | 0.7% | 1,085 |
| 5pm–6pm | 76.9% | 0.7% | 423 |
| 6pm–7pm | 70.3% | 0.8% | 521 |
| 7pm–8pm | 81.3% | 0.9% | 814 |
| 8pm–9pm | 79.3% | 1.5% | 260 |
| 9pm–10pm | 93.5% | 3.5% | 144 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SNA 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) | 82.8% | -1.7 pts | 0.6% | 170 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.2% | -8.3 pts | 1.1% | 370 |
| Summer peak (Jun 15 - Aug 15) | 81.4% | -3.1 pts | 0.8% | 1,568 |
| All other days | 84.5% | — | 0.6% | 6,913 |
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).