Best Time to Fly SAN to PHL: On-Time Stats by Hour & Airline
San Diego International → Philadelphia International
Data through July 2026 · Last updated October 18, 2026
1,046 flights were scheduled from San Diego (SAN) to Philadelphia (PHL) in the last 12 months, and 87.9% of those that flew arrived on time, 10.3 points above the US average of 77.6%.
American Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (88% on time) and July the worst month (81%).
The cancellation rate was 1.4% (US average 1.8%).
SAN 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 | 87.9% | 119 min | 1.4% | 1,046 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SAN to PHL
On-time arrival % by scheduled departure hour (local time), 2,051 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 92.0% | 0.5% | 619 |
| 7am–8am | Limited data | 5 | |
| 8am–9am | Limited data | 1 | |
| 9am–10am | 75.8% | 0.8% | 721 |
| 11am–12pm | 91.2% | 8.1% | 37 |
| 9pm–10pm | 85.8% | 3.2% | 124 |
| 10pm–11pm | 93.2% | 2.0% | 544 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SAN 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) | 97.1% | +9.9 pts | 0.0% | 36 |
| Christmas & New Year (Dec 20 - Jan 3) | 79.3% | -8.0 pts | 1.2% | 85 |
| Summer peak (Jun 15 - Aug 15) | 82.8% | -4.4 pts | 2.4% | 372 |
| All other days | 87.2% | — | 1.1% | 1,558 |
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).