Best Time to Fly JFK to JAX: On-Time Stats by Hour & Airline
John F. Kennedy International → Jacksonville International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 75.3% of New York (JFK) to Jacksonville (JAX) flights arrived on time (1,187 scheduled flights). That is 2.4 points below the national average of 77.6%.
Among 3 airlines, Republic Airways led with 90.5% on time and JetBlue was last with 74.7%.
Over 24 months, Tuesday was the most reliable day (81% on time) and July the worst month (63%).
The cancellation rate was 4.2% (US average 1.8%).
JFK 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 | 90.5% | 74 min | 0.0% | 42 |
| Delta Air Lines | 74.7% | 110 min | 3.9% | 254 |
| JetBlue | 74.7% | 69 min | 4.5% | 891 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JFK to JAX
On-time arrival % by scheduled departure hour (local time), 2,817 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 88.2% | 1.5% | 198 |
| 7am–8am | 84.0% | 3.3% | 362 |
| 8am–9am | 87.2% | 1.9% | 208 |
| 9am–10am | Limited data | 10 | |
| 10am–11am | 80.2% | 0.0% | 81 |
| 11am–12pm | 73.0% | 0.0% | 75 |
| 12pm–1pm | 82.4% | 1.0% | 206 |
| 1pm–2pm | 75.2% | 3.4% | 468 |
| 2pm–3pm | 66.3% | 4.2% | 193 |
| 3pm–4pm | 68.5% | 2.7% | 150 |
| 4pm–5pm | 75.0% | 1.4% | 73 |
| 5pm–6pm | 57.6% | 9.9% | 131 |
| 6pm–7pm | 77.3% | 5.0% | 241 |
| 7pm–8pm | 72.5% | 5.2% | 115 |
| 8pm–9pm | 60.4% | 2.7% | 224 |
| 9pm–10pm | 64.9% | 6.1% | 82 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on JFK 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) | 83.8% | +5.6 pts | 1.4% | 69 |
| Christmas & New Year (Dec 20 - Jan 3) | 66.0% | -12.2 pts | 2.7% | 148 |
| Summer peak (Jun 15 - Aug 15) | 62.9% | -15.3 pts | 9.5% | 399 |
| All other days | 78.2% | — | 2.2% | 2,201 |
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).