San Juan (SJU) to Boston (BOS) flights
JetBlue, Delta Air Lines fly nonstop from Luis Munoz Marin International Airport to Boston Logan International Airport, with about 26 flights a week in July 2026. The 1,674-mile flight takes about 4h 8m gate to gate.
- Distance
- 1,674 mi · 2,694 km
- Flight time
- 4h 8m
- Airlines
- 2
- Seats filled
- 86%
Airlines flying SJU to BOS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| JetBlue | 19 | Airbus A320-100/200, Airbus A321, Airbus A220-300 | 172,278 | 4h 6m |
| Delta Air Lines | 7 | Airbus A321, Boeing 737-900ER, Boeing 737-800 | 65,337 | 4h 10m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A321, Airbus A320-100/200, Airbus A320neo | 25,347 | 4h 13m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A321, Airbus A320neo | 4,629 | 4h 22m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SJU to BOS flight schedule
6 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 6:00am and the last at 8:54pm. 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 562JetBlue | 6:00am | 10:05am | 31 | 79% |
| DL 1780Delta Air Lines | 2:10pm | 6:21pm | 31 | 79% |
| B6 762JetBlue | 2:30pm | 6:40pm | 31 | 53% |
| B6 808JetBlue | 3:30pm | 8:32pm | 13 | 64% |
| B6 262JetBlue | 6:11pm | 10:18pm | 4 | 38% |
| B6 462JetBlue | 8:54pm | 12:59am | 31 | 56% |
Is SJU to BOS on time?
From September 2025 to August 2026, 71% of 1,916 flights arrived within 15 minutes of schedule and 3.2% were cancelled. Flights leaving around 5am were the most punctual (85%), those around 8pm the least (56%). Most delay time was caused by late-arriving aircraft (52%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| JetBlue | 1,342 | 69% | 25 min | 3.6% |
| Delta Air Lines | 398 | 77% | 16 min | 1.5% |
| Spirit Airlines | 142 | 73% | 17 min | 4.2% |
| Frontier Airlines | 34 | 70% | 15 min | 2.9% |
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 |
|---|---|---|---|
| 5am to 6am | 106 | 85% | |
| 6am to 7am | 197 | 76% | |
| 8am to 9am | 61 | 77% | |
| 10am to 11am | 80 | 83% | |
| 11am to 12pm | 66 | 74% | |
| 12pm to 1pm | 54 | 70% | |
| 1pm to 2pm | 238 | 70% | |
| 2pm to 3pm | 366 | 76% | |
| 3pm to 4pm | 176 | 59% | |
| 4pm to 5pm | 115 | 68% | |
| 5pm to 6pm | 59 | 60% | |
| 6pm to 7pm | 65 | 69% | |
| 7pm to 8pm | 118 | 59% | |
| 8pm to 9pm | 131 | 56% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 179 | 29,100 | |
| September 2025 | 84 | 13,155 | |
| October 2025 | 93 | 12,486 | |
| November 2025 | 107 | 15,817 | |
| December 2025 | 166 | 21,024 | |
| January 2026 | 155 | 26,273 | |
| February 2026 | 166 | 25,748 | |
| March 2026 | 200 | 34,550 | |
| April 2026 | 187 | 28,900 | |
| May 2026 | 140 | 22,825 | |
| June 2026 | 125 | 18,969 | |
| July 2026 | 115 | 18,744 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.