Best Time to Fly PHX to PHL: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Philadelphia International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 85.2% of Phoenix (PHX) to Philadelphia (PHL) flights arrived on time (2,324 scheduled flights). That is 7.6 points above the national average of 77.6%.
American Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (90% on time) and July the worst month (71%).
The cancellation rate was 1.6% (US average 1.8%).
PHX to PHL 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 |
|---|---|---|---|---|
| American Airlines | 85.2% | 71 min | 1.6% | 2,324 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to PHL
On-time arrival % by scheduled departure hour (local time), 4,713 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | 90.1% | 1.5% | 133 |
| 5am–6am | 96.2% | 1.5% | 265 |
| 6am–7am | Limited data | 6 | |
| 7am–8am | 93.5% | 0.0% | 323 |
| 8am–9am | 86.9% | 0.3% | 728 |
| 9am–10am | 85.5% | 0.7% | 299 |
| 10am–11am | 74.5% | 1.9% | 215 |
| 11am–12pm | 89.8% | 1.6% | 250 |
| 12pm–1pm | 72.3% | 1.6% | 432 |
| 1pm–2pm | 81.7% | 1.7% | 289 |
| 3pm–4pm | 75.9% | 1.7% | 288 |
| 4pm–5pm | 72.3% | 1.5% | 200 |
| 5pm–6pm | 84.7% | 2.1% | 235 |
| 9pm–10pm | 87.2% | 1.3% | 79 |
| 10pm–11pm | 87.1% | 1.7% | 402 |
| 11pm–12am | 89.8% | 1.8% | 569 |
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 PHL
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) | 92.0% | +5.7 pts | 0.0% | 88 |
| Christmas & New Year (Dec 20 - Jan 3) | 92.0% | +5.7 pts | 0.5% | 202 |
| Summer peak (Jun 15 - Aug 15) | 75.4% | -10.9 pts | 2.9% | 833 |
| All other days | 86.3% | — | 1.0% | 3,590 |
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).