Jacksonville (JAX) to San Juan (SJU) flights
JetBlue, Frontier Airlines fly nonstop from Jacksonville International Airport to Luis Munoz Marin International Airport, with about 14 flights a week in July 2026. The 1,288-mile flight takes about 3h 1m gate to gate.
- Distance
- 1,288 mi · 2,073 km
- Flight time
- 3h 1m
- Airlines
- 2
- Seats filled
- 76%
Airlines flying JAX to SJU
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| JetBlue | 7 | Airbus A320-100/200, Airbus A321 | 14,437 | 2h 59m |
| Frontier Airlines | 7 | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 21,835 | 3h 3m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
JAX to SJU flight schedule
2 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 10:30am and the last at 7:44pm. 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 3306Frontier Airlines | 10:30am | 1:41pm | 25 | 77% |
| B6 1743JetBlue | 7:44pm | 10:47pm | 31 | 66% |
Is JAX to SJU on time?
From September 2025 to August 2026, 70% of 304 flights arrived within 15 minutes of schedule and 3.3% were cancelled. Flights leaving around 11am were the most punctual (86%), those around 7pm the least (45%). Most delay time was caused by late-arriving aircraft (65%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Frontier Airlines | 156 | 75% | 30 min | 4.5% |
| JetBlue | 148 | 66% | 24 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 |
|---|---|---|---|
| 10am to 11am | 44 | 68% | |
| 11am to 12pm | 62 | 86% | |
| 3pm to 4pm | 21 | 81% | |
| 4pm to 5pm | 48 | 65% | |
| 5pm to 6pm | 32 | 81% | |
| 6pm to 7pm | 23 | 65% | |
| 7pm to 8pm | 32 | 45% | |
| 8pm to 9pm | 10 | 50% | |
| 9pm to 10pm | 21 | 61% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 13 | 2,369 | |
| November 2025 | 7 | 1,077 | |
| December 2025 | 20 | 3,105 | |
| January 2026 | 10 | 1,215 | |
| March 2026 | 10 | 1,343 | |
| April 2026 | 22 | 2,614 | |
| May 2026 | 53 | 7,054 | |
| June 2026 | 59 | 8,241 | |
| July 2026 | 62 | 9,254 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.