Jacksonville International (JAX) Delays and On-Time Departures
Jacksonville, FL · ranked 206th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, Jacksonville (JAX) had 29,091 scheduled departures and 79.4% of them left on time (US average 77.4%).
That ranks 206th of 333 US airports tracked on this site, with 1.8% of departures cancelled.
United Airlines was the most punctual airline here, with 85.9% of departures on time.
September has been the best month (86% on time) and Sunday the weakest day of the week (75%).
Best time of day to fly out of Jacksonville (JAX)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.1% | 1.4% | 1,852 |
| 6am–7am | 92.4% | 1.7% | 5,533 |
| 7am–8am | 92.3% | 2.1% | 6,088 |
| 8am–9am | 91.2% | 1.2% | 3,611 |
| 9am–10am | 89.3% | 1.5% | 3,083 |
| 10am–11am | 85.7% | 1.4% | 2,707 |
| 11am–12pm | 84.6% | 1.4% | 5,781 |
| 12pm–1pm | 77.6% | 1.4% | 3,025 |
| 1pm–2pm | 79.5% | 1.4% | 2,354 |
| 2pm–3pm | 74.2% | 2.0% | 3,376 |
| 3pm–4pm | 71.1% | 1.9% | 2,727 |
| 4pm–5pm | 69.5% | 1.8% | 3,583 |
| 5pm–6pm | 68.7% | 2.2% | 4,001 |
| 6pm–7pm | 70.7% | 2.4% | 3,821 |
| 7pm–8pm | 66.7% | 3.0% | 4,127 |
| 8pm–9pm | 62.4% | 2.6% | 1,818 |
| 9pm–10pm | 59.4% | 2.3% | 613 |
| 10pm–11pm | 63.9% | 5.3% | 114 |
Airlines at JAX ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| United Airlines | 85.9% | 83.9% | 1.0% | 4,018 |
| Delta Air Lines | 83.3% | 84.9% | 1.9% | 5,241 |
| Envoy Air | 82.0% | 78.9% | 0.5% | 954 |
| Republic Airways | 81.6% | 81.2% | 2.9% | 2,316 |
| SkyWest Airlines | 78.8% | 78.5% | 2.3% | 574 |
| American Airlines | 78.4% | 79.3% | 1.8% | 7,031 |
| Southwest Airlines | 75.6% | 79.9% | 0.9% | 4,718 |
| PSA Airlines | 75.5% | 72.8% | 4.2% | 784 |
| JetBlue | 74.5% | 73.5% | 4.5% | 1,753 |
| Frontier Airlines | 69.9% | 65.9% | 3.0% | 664 |
| Allegiant Air | 69.5% | 68.3% | 0.4% | 1,038 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of JAX
On-time departures by day, 24 months.
Best month to fly out of JAX
On-time departures by month, 24 months.
Holiday travel at Jacksonville (JAX)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 80.4% | -2.1 pts | 0.6% | 1,197 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.5% | -7.0 pts | 1.6% | 2,512 |
| Summer peak (Jun 15 - Aug 15) | 71.4% | -11.1 pts | 3.4% | 10,330 |
| All other days | 82.5% | — | 1.6% | 44,175 |
Monthly on-time departure trend at JAX
On-time departure % each month, with the 12-month US average for reference.
Routes from Jacksonville (JAX)
Every route from JAX with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| JAX → Atlanta (ATL) | 84.7% | 1.7% | 4,046 |
| JAX → Chicago (ORD) | 77.8% | 2.0% | 2,116 |
| JAX → Charlotte (CLT) | 80.9% | 1.1% | 1,939 |
| JAX → Dallas/Fort Worth (DFW) | 77.6% | 2.8% | 1,833 |
| JAX → Boston (BOS) | 74.6% | 2.3% | 1,613 |
| JAX → Philadelphia (PHL) | 79.5% | 3.0% | 1,564 |
| JAX → Miami (MIA) | 80.9% | 0.7% | 1,492 |
| JAX → Washington (DCA) | 72.5% | 2.3% | 1,464 |
| JAX → Baltimore (BWI) | 80.8% | 1.1% | 1,385 |
| JAX → Newark (EWR) | 78.9% | 2.5% | 1,377 |
| JAX → New York (JFK) | 75.2% | 4.6% | 1,188 |
| JAX → Nashville (BNA) | 81.1% | 0.8% | 1,112 |
| JAX → Denver (DEN) | 82.2% | 0.3% | 1,020 |
| JAX → Washington (IAD) | 88.6% | 0.9% | 777 |
| JAX → Houston (IAH) | 87.7% | 0.4% | 693 |
| JAX → Austin (AUS) | 77.2% | 1.2% | 650 |
| JAX → Detroit (DTW) | 87.0% | 2.4% | 637 |
| JAX → New York (LGA) | 83.3% | 4.1% | 628 |
| JAX → St. Louis (STL) | 87.9% | 0.6% | 507 |
| JAX → Chicago (MDW) | 80.0% | 1.4% | 416 |
| JAX → Dallas (DAL) | 68.2% | 1.4% | 350 |
| JAX → Minneapolis (MSP) | 79.4% | 0.9% | 347 |
| JAX → Phoenix (PHX) | 88.2% | 0.6% | 324 |
| JAX → Houston (HOU) | 90.0% | 1.4% | 294 |
| JAX → San Juan (SJU) | 71.9% | 3.1% | 261 |