Best Time to Fly EWR to JAX: On-Time Stats by Hour & Airline
Newark Liberty International → Jacksonville International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.9% of Newark (EWR) to Jacksonville (JAX) flights arrived on time (1,377 scheduled flights). That is 4.3 points above the national average of 77.6%.
Republic Airways was the most punctual of the 2 airlines on the route at 85.4%, while United Airlines trailed at 81.4%.
September has been the best month (90% on time) and Sunday the weakest day of the week (75%).
2.4% of flights were cancelled, versus 1.8% nationally.
EWR 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 | 85.4% | 56 min | 6.5% | 184 |
| United Airlines | 81.4% | 85 min | 1.8% | 1,193 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EWR to JAX
On-time arrival % by scheduled departure hour (local time), 2,669 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 94.4% | 1.7% | 347 |
| 7am–8am | 89.5% | 2.1% | 282 |
| 8am–9am | 76.1% | 2.1% | 47 |
| 9am–10am | Limited data | 10 | |
| 11am–12pm | 76.6% | 0.0% | 107 |
| 12pm–1pm | 81.7% | 1.4% | 354 |
| 1pm–2pm | 81.0% | 1.9% | 269 |
| 2pm–3pm | Limited data | 24 | |
| 3pm–4pm | 78.2% | 4.3% | 420 |
| 4pm–5pm | 80.2% | 4.1% | 121 |
| 5pm–6pm | Limited data | 3 | |
| 6pm–7pm | 72.6% | 3.6% | 140 |
| 7pm–8pm | 66.8% | 2.8% | 251 |
| 8pm–9pm | 76.0% | 3.9% | 156 |
| 9pm–10pm | 68.9% | 4.3% | 138 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on EWR 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) | 82.7% | +1.0 pts | 0.0% | 52 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.8% | -4.0 pts | 2.5% | 120 |
| Summer peak (Jun 15 - Aug 15) | 74.7% | -7.1 pts | 5.0% | 458 |
| All other days | 81.7% | — | 2.2% | 2,039 |
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).