65% of JFK → JAX flights arrived on time in June-August 2026 (286 flights). The most reliable was DL 1035, on time 72% of the time on this route. Afternoon flights did best (71%), evening flights worst (49%). New York JFK (JFK): no delay reported. JAX (JAX): no delay reported.
Best time of day to fly JFK → JAX
| Afternoon (noon-5 PM) | |
| Evening (after 5 PM) |
Flights JFK → JAX, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| DL 1035 Delta | 1:55 PM | 4.3% | |
| B6 677 JetBlue | 1:59 PM | 13% | |
| B6 1677 JetBlue | 9:42 PM | 9.8% |
JFK conditions · JAX → JFK · Cancellations
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From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.