Best Time to Fly PHL to JAX: On-Time Stats by Hour & Airline
Philadelphia International → Jacksonville International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.2% of Philadelphia (PHL) to Jacksonville (JAX) flights arrived on time (1,564 scheduled flights). That is 1.4 points below the national average of 77.6%.
Among 4 airlines, Republic Airways led with 91.7% on time and Frontier Airlines was last with 69.4%.
Over 24 months, Wednesday was the most reliable day (85% on time) and July the worst month (64%).
The cancellation rate was 2.4% (US average 1.8%).
PHL to JAX 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 |
|---|---|---|---|---|
| Republic Airways | 91.7% | 101 min | 0.0% | 72 |
| PSA Airlines | 80.3% | 113 min | 3.4% | 443 |
| American Airlines | 74.9% | 70 min | 1.7% | 775 |
| Frontier Airlines | 69.4% | 67 min | 3.3% | 274 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHL to JAX
On-time arrival % by scheduled departure hour (local time), 3,199 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 78.7% | 0.0% | 75 |
| 6am–7am | 89.2% | 0.0% | 37 |
| 7am–8am | 90.9% | 5.7% | 35 |
| 8am–9am | 87.0% | 1.4% | 414 |
| 9am–10am | 81.5% | 1.9% | 209 |
| 10am–11am | 89.8% | 2.8% | 211 |
| 11am–12pm | 87.6% | 1.4% | 147 |
| 12pm–1pm | 79.0% | 2.6% | 153 |
| 1pm–2pm | 73.9% | 0.9% | 233 |
| 2pm–3pm | 82.1% | 4.3% | 70 |
| 3pm–4pm | 78.8% | 1.1% | 281 |
| 4pm–5pm | 65.9% | 2.7% | 441 |
| 5pm–6pm | Limited data | 22 | |
| 6pm–7pm | 61.3% | 3.9% | 258 |
| 7pm–8pm | 73.1% | 4.0% | 446 |
| 8pm–9pm | 51.7% | 2.2% | 89 |
| 9pm–10pm | 82.9% | 2.6% | 78 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHL to JAX
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% | +3.0 pts | 0.0% | 58 |
| Christmas & New Year (Dec 20 - Jan 3) | 69.5% | -10.3 pts | 2.2% | 134 |
| Summer peak (Jun 15 - Aug 15) | 63.4% | -16.4 pts | 4.7% | 592 |
| All other days | 79.7% | — | 1.9% | 2,415 |
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).