Best Time to Fly LGA to JAX: On-Time Stats by Hour & Airline
LaGuardia → Jacksonville International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 73.3% of New York (LGA) to Jacksonville (JAX) flights arrived on time (631 scheduled flights). That is 4.3 points below the national average of 77.6%.
Republic Airways was the most punctual of the 2 airlines on the route at 73.4%, while Delta Air Lines trailed at 72.7%.
October has been the best month (90% on time) and Monday the weakest day of the week (76%).
5.5% of flights were cancelled, versus 1.8% nationally.
LGA 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 | 73.4% | 69 min | 5.5% | 526 |
| Delta Air Lines | 72.7% | 79 min | 5.7% | 105 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LGA to JAX
On-time arrival % by scheduled departure hour (local time), 1,279 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 9 | |
| 8am–9am | 85.5% | 2.6% | 346 |
| 9am–10am | Limited data | 19 | |
| 10am–11am | Limited data | 2 | |
| 11am–12pm | 95.0% | 0.8% | 121 |
| 12pm–1pm | 76.9% | 3.7% | 54 |
| 1pm–2pm | Limited data | 6 | |
| 2pm–3pm | 79.6% | 5.0% | 99 |
| 3pm–4pm | 83.6% | 2.8% | 213 |
| 4pm–5pm | 94.1% | 0.0% | 34 |
| 5pm–6pm | Limited data | 14 | |
| 6pm–7pm | Limited data | 22 | |
| 7pm–8pm | 70.9% | 4.4% | 205 |
| 8pm–9pm | 66.7% | 10.4% | 134 |
| 9pm–10pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LGA 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) | 85.0% | +2.3 pts | 0.0% | 40 |
| Christmas & New Year (Dec 20 - Jan 3) | 69.9% | -12.8 pts | 2.4% | 85 |
| Summer peak (Jun 15 - Aug 15) | 73.8% | -8.8 pts | 11.8% | 169 |
| All other days | 82.7% | — | 2.7% | 985 |
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).