Jacksonville International Airport (JAX): Delays & On-Time Performance
Data through July 2026
Jacksonville International Airport (JAX) is a tale of two seasons: departures ran 89% on-time in October 2024 but sank to 69% in July 2024. Across the year it averages 80% against a national 78%, over roughly 80 departures a day to 45 destinations.
- Departures on-time
- 80%
- left <15 min late
- Avg dep delay
- 18 min
- Arrivals on-time
- 75%
- Cancelled
- 2.0%
- Destinations
- 45
- nonstop
- Airlines
- 12
Plan your departure from JAX
The choices most likely to improve your odds, based on this airport’s historical record.
- Best departure time
- Around 5 a.m.
- 95% on-time
- Best day to fly
- Wednesday
- 84% on-time
- Cancellation risk
- 2.0%
- above the US average
Monthly on-time trend
Best time of day to depart from JAX
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 20 min |
| Tuesday | 83% | 15 min |
| Wednesdaybest | 84% | 13 min |
| Thursday | 79% | 17 min |
| Friday | 79% | 20 min |
| Saturday | 81% | 18 min |
| Sunday | 75% | 23 min |
Busiest routes from JAX
Where flights into JAX come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| ATL (Atlanta) → JAX | 4,045 | 74% | 16 min |
| ORD (Chicago) → JAX | 2,116 | 75% | 18 min |
| CLT (Charlotte) → JAX | 1,939 | 75% | 18 min |
| DFW (Dallas/Fort Worth) → JAX | 1,834 | 66% | 25 min |
| BOS (Boston) → JAX | 1,610 | 75% | 18 min |
| PHL (Philadelphia) → JAX | 1,564 | 76% | 19 min |
| MIA (Miami) → JAX | 1,494 | 75% | 19 min |
| DCA (Washington) → JAX | 1,462 | 77% | 18 min |
What causes delays at JAX
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing JAX.
- Late-arriving aircraft43%
- Airline operations32%
- National airspace system20%
- Weather5%
Alternative airports near Jacksonville
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| GNV — Gainesville Regional Airport | 66 mi | 84% | 15 min |
| DAB — Daytona Beach International Airport | 98 mi | 82% | 17 min |
| SAV — Savannah Hilton Head International Airport | 117 mi | 79% | 19 min |
Compare the airport-level record first, then check the exact route you plan to book.
Airline performance at JAX
| Airline | On-time departures | Avg delay | Flights |
|---|---|---|---|
| Endeavor Air | 88% | 13 min | 402 |
| United Airlines | 85% | 16 min | 7,972 |
| Envoy Air | 85% | 10 min | 2,361 |
| Republic Airways | 83% | 15 min | 4,624 |
| Delta Air Lines | 81% | 16 min | 11,263 |
| SkyWest Airlines | 80% | 23 min | 817 |
| American Airlines | 79% | 21 min | 14,924 |
| PSA Airlines | 78% | 28 min | 1,551 |
| Southwest Airlines | 78% | 13 min | 9,814 |
| JetBlue Airways | 74% | 23 min | 3,716 |
| Frontier Airlines | 71% | 28 min | 1,372 |
| Allegiant Air | 71% | 32 min | 2,010 |
Frequently asked questions
- How often are flights delayed at JAX?
- 20% of departures from Jacksonville International Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 18 minutes. The national on-time average over the same period was 78%.
- What is the best time of day to depart from JAX?
- Flights scheduled around 5 a.m. depart on time 95% of the time at JAX, versus 58% around 9 p.m.. Booking before noon is the usual rule of thumb here.
- What is the worst month for delays at JAX?
- In this dataset, July 2024 was the weakest month at JAX, with 69% of departures on time.
- How often are flights cancelled at JAX?
- 2% of scheduled departures from JAX were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 60,826 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.