San Diego (SAN) to Boston (BOS) flights
JetBlue, Alaska Airlines, Southwest Airlines, Delta Air Lines fly nonstop from San Diego International Airport to Boston Logan International Airport, with about 47 flights a week in July 2026. The 2,588-mile flight takes about 5h 27m gate to gate.
- Distance
- 2,588 mi · 4,165 km
- Flight time
- 5h 27m
- Airlines
- 4
- Seats filled
- 84%
Airlines flying SAN to BOS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| JetBlue | 19 | Airbus A321, Airbus A320-100/200 | 123,161 | 5h 24m |
| Alaska Airlines | 14 | Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-800 | 76,359 | 5h 35m |
| Southwest Airlines | 7 | Boeing 737 MAX 8, Boeing 737-800 | 9,229 | 5h 22m |
| Delta Air Lines | 7 | Airbus A321 | 53,648 | 5h 26m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SAN to BOS flight schedule
7 flight numbers flew this route in August 2026, 7 of them almost daily. The first usually leaves at 7:00am and the last at 10:02pm. 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) |
|---|---|---|---|---|
| AS 390Alaska Airlines | 7:00am | 3:51pm | 31 | 77% |
| B6 620JetBlue | 10:20am | 7:07pm | 26 | 76% |
| B6 220JetBlue | 1:06pm | 9:51pm | 31 | 68% |
| WN 3706Southwest Airlines | 3:55pm | 12:25am | 28 | 54% |
| B6 2120JetBlue | 8:40pm | 5:19am | 31 | 82% |
| AS 255Alaska Airlines | 8:52pm | 5:40am | 26 | 83% |
| DL 571Delta Air Lines | 10:02pm | 6:40am | 31 | 80% |
Is SAN to BOS on time?
From September 2025 to August 2026, 76% of 1,881 flights arrived within 15 minutes of schedule and 1.7% were cancelled. Flights leaving around 9pm were the most punctual (88%), those around 2pm the least (42%). Most delay time was caused by late-arriving aircraft (34%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| JetBlue | 919 | 77% | 22 min | 2.1% |
| Alaska Airlines | 509 | 78% | 17 min | 1.4% |
| Delta Air Lines | 364 | 78% | 21 min | 1.6% |
| Southwest Airlines | 89 | 38% | 46 min | 0% |
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 | 98 | 85% | |
| 8am to 9am | 158 | 74% | |
| 9am to 10am | 102 | 72% | |
| 10am to 11am | 70 | 66% | |
| 11am to 12pm | 183 | 76% | |
| 1pm to 2pm | 152 | 67% | |
| 2pm to 3pm | 96 | 42% | |
| 3pm to 4pm | 127 | 77% | |
| 8pm to 9pm | 420 | 80% | |
| 9pm to 10pm | 204 | 88% | |
| 10pm to 11pm | 254 | 76% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 174 | 25,811 | |
| September 2025 | 132 | 18,509 | |
| October 2025 | 161 | 23,392 | |
| November 2025 | 135 | 18,949 | |
| December 2025 | 130 | 18,963 | |
| January 2026 | 113 | 15,397 | |
| February 2026 | 104 | 14,660 | |
| March 2026 | 147 | 21,294 | |
| April 2026 | 143 | 20,508 | |
| May 2026 | 163 | 22,745 | |
| June 2026 | 202 | 30,846 | |
| July 2026 | 207 | 31,323 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.