Raleigh/Durham (RDU) to San Juan (SJU) flights
JetBlue, Frontier Airlines fly nonstop from Raleigh-Durham International Airport to Luis Munoz Marin International Airport, with about 10 flights a week in July 2026. The 1,432-mile flight takes about 3h 23m gate to gate.
- Distance
- 1,432 mi · 2,305 km
- Flight time
- 3h 23m
- Airlines
- 2
- Seats filled
- 83%
Airlines flying RDU to SJU
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| JetBlue | 7 | Airbus A320-100/200, Airbus A321 | 44,206 | 3h 22m |
| Frontier Airlines | 3 | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 18,856 | 3h 27m |
| Delta Air LinesSeasonal or ended | n/a | Boeing 737-900ER | 2,599 | 3h 22m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
RDU to SJU flight schedule
2 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 7:56pm and the last at 8:23pm. 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) |
|---|---|---|---|---|
| B6 1903JetBlue | 7:56pm | 11:34pm | 31 | 71% |
| F9 1226Frontier Airlines | 8:23pm | 12:07am | 11 | 59% |
Is RDU to SJU on time?
From September 2025 to August 2026, 72% of 467 flights arrived within 15 minutes of schedule and 2.4% were cancelled. Flights leaving around 12pm were the most punctual (88%), those around 6pm the least (57%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (41%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| JetBlue | 333 | 76% | 22 min | 2.4% |
| Frontier Airlines | 117 | 61% | 51 min | 1.7% |
| Delta Air Lines | 17 | 56% | 21 min | 5.9% |
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 |
|---|---|---|---|
| 7am to 8am | 20 | 85% | |
| 9am to 10am | 12 | 82% | |
| 10am to 11am | 43 | 61% | |
| 11am to 12pm | 119 | 83% | |
| 12pm to 1pm | 25 | 88% | |
| 1pm to 2pm | 14 | 64% | |
| 2pm to 3pm | 35 | 80% | |
| 3pm to 4pm | 25 | 68% | |
| 4pm to 5pm | 15 | 71% | |
| 6pm to 7pm | 29 | 57% | |
| 7pm to 8pm | 73 | 67% | |
| 8pm to 9pm | 43 | 57% | |
| 9pm to 10pm | 12 | 42% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 41 | 5,257 | |
| September 2025 | 18 | 2,468 | |
| October 2025 | 17 | 2,462 | |
| November 2025 | 40 | 5,421 | |
| December 2025 | 51 | 7,646 | |
| January 2026 | 40 | 5,346 | |
| February 2026 | 36 | 5,330 | |
| March 2026 | 49 | 7,575 | |
| April 2026 | 40 | 5,415 | |
| May 2026 | 39 | 5,847 | |
| June 2026 | 44 | 6,549 | |
| July 2026 | 43 | 6,345 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.