San Juan (SJU) to Jacksonville (JAX) flights
Frontier Airlines, JetBlue fly nonstop from Luis Munoz Marin International Airport to Jacksonville International Airport, with about 14 flights a week in July 2026. The 1,288-mile flight takes about 3h 19m gate to gate.
- Distance
- 1,288 mi · 2,073 km
- Flight time
- 3h 19m
- Airlines
- 2
- Seats filled
- 76%
Airlines flying SJU to JAX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Frontier Airlines | 7 | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 20,448 | 3h 23m |
| JetBlue | 7 | Airbus A320-100/200 | 15,628 | 3h 15m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SJU to JAX flight schedule
2 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 6:26am and the last at 3:43pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| F9 3305Frontier Airlines | 6:26am | 9:45am | 25 | 79% |
| B6 1742JetBlue | 3:43pm | 6:54pm | 31 | 76% |
Is SJU to JAX on time?
From September 2025 to August 2026, 78% of 304 flights arrived within 15 minutes of schedule and 3% were cancelled. Flights leaving around 7am were the most punctual (91%), those around 3pm the least (48%). Most delay time was caused by late-arriving aircraft (51%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Frontier Airlines | 156 | 79% | 19 min | 3.8% |
| JetBlue | 148 | 76% | 17 min | 2% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 46 | 77% | |
| 7am to 8am | 66 | 91% | |
| 11am to 12pm | 21 | 86% | |
| 12pm to 1pm | 72 | 83% | |
| 2pm to 3pm | 24 | 75% | |
| 3pm to 4pm | 25 | 48% | |
| 4pm to 5pm | 14 | 64% | |
| 5pm to 6pm | 23 | 50% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 13 | 2,320 | |
| November 2025 | 8 | 1,185 | |
| December 2025 | 20 | 2,471 | |
| January 2026 | 10 | 1,897 | |
| March 2026 | 10 | 1,443 | |
| April 2026 | 23 | 2,820 | |
| May 2026 | 52 | 6,629 | |
| June 2026 | 59 | 7,993 | |
| July 2026 | 60 | 9,318 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.