Philadelphia (PHL) to Jacksonville (JAX): On-Time Performance
Data through July 2026
When you fly PHL to JAX matters as much as anything else about the booking: the route swung from 95% on-time in November 2024 to just 59% in August 2024. Across the full period the route averages 76% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 67%), which matters most in the rough months.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 2.4%
- Flights/day
- 4.3
- last 12 months
- Duration
- 2h 23m
- scheduled
- Distance
- 742 mi
Best airline from PHL to JAX
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 85% | 12 min | 1.6% | 188 |
| PSA Airlines | 81% | 19 min | 3.5% | 810 |
| American Airlines | 73% | 19 min | 1.8% | 1,635 |
| Frontier Airlines | 73% | 22 min | 2.7% | 692 |
Monthly on-time trend
Best time to fly from PHL to JAX
Aim for departures around 7 a.m. (91% on-time); avoid 8 p.m. departures (52%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 22 min |
| Tuesday | 78% | 19 min |
| Wednesdaybest | 83% | 10 min |
| Thursday | 74% | 23 min |
| Friday | 74% | 20 min |
| Saturday | 75% | 18 min |
| Sunday | 75% | 22 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations29%
- National airspace system16%
- Weather4%
Frequently asked questions
- How often are flights from PHL to JAX delayed?
- 24% of PHL–JAX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 19 minutes.
- Which airline is most reliable from PHL to JAX?
- Republic Airways has the best on-time record on this route at 85%, based on 188 flights. 4 airlines flew PHL–JAX frequently enough to compare in this period.
- What is the best time of day to fly from PHL to JAX?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 8 p.m. have the worst (52%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHL to JAX?
- The scheduled PHL–JAX flight time averages 2h 23m over 742 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are PHL to JAX flights cancelled?
- 2.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from PHL to JAX?
- August 2024 was the roughest month in this dataset, with only 59% of arrivals on time. The best was November 2024 at 95%. If your dates are flexible, that 36-point gap is worth planning around.
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Based on 3,325 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.