New York (JFK) to Jacksonville (JAX): On-Time Performance
Data through July 2026
Delays are only half the story on JFK–JAX: 3.5% of its scheduled flights were outright cancelled, well above the US norm, so a backup plan matters more here than on most routes. When flights do go, 75% land on time, below the national average of 78%. Republic Airways has been the safer pick, arriving on time 81% of the time.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 3.5%
- Flights/day
- 3.3
- last 12 months
- Duration
- 2h 40m
- scheduled
- Distance
- 829 mi
Best airline from JFK to JAX
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 81% | 11 min | 2.6% | 306 |
| Endeavor Air | 80% | 19 min | 6.8% | 234 |
| Delta Air Lines | 78% | 21 min | 2.2% | 623 |
| JetBlue Airways | 72% | 22 min | 3.6% | 1,809 |
Monthly on-time trend
Best time to fly from JFK to JAX
Aim for departures around 6 a.m. (88% on-time); avoid 5 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 22 min |
| Tuesdaybest | 81% | 14 min |
| Wednesday | 80% | 15 min |
| Thursday | 75% | 27 min |
| Friday | 76% | 19 min |
| Saturday | 72% | 22 min |
| Sunday | 71% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft34%
- Airline operations40%
- National airspace system22%
- Weather4%
Frequently asked questions
- How often are flights from JFK to JAX delayed?
- 25% of JFK–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 20 minutes.
- Which airline is most reliable from JFK to JAX?
- Republic Airways has the best on-time record on this route at 81%, based on 306 flights. 4 airlines flew JFK–JAX frequently enough to compare in this period.
- What is the best time of day to fly from JFK to JAX?
- Departures around 6 a.m. have the best record (88% on-time), while departures around 5 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from JFK to JAX?
- The scheduled JFK–JAX flight time averages 2h 40m over 829 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are JFK to JAX flights cancelled?
- 3.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from JFK to JAX?
- December 2025 was the roughest month in this dataset, with only 61% of arrivals on time. The best was April 2025 at 91%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 2,972 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.