Boston (BOS) to San Diego (SAN) flights
JetBlue, Alaska Airlines, Delta Air Lines, Southwest Airlines fly nonstop from Boston Logan International Airport to San Diego International Airport, with about 47 flights a week in July 2026. The 2,588-mile flight takes about 6h 15m gate to gate.
- Distance
- 2,588 mi · 4,165 km
- Flight time
- 6h 15m
- Airlines
- 4
- Seats filled
- 86%
Airlines flying BOS to SAN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| JetBlue | 19 | Airbus A321, Airbus A320-100/200 | 125,703 | 6h 10m |
| Alaska Airlines | 14 | Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-800 | 72,467 | 6h 20m |
| Delta Air Lines | 7 | Airbus A321, Boeing 737-900ER | 58,086 | 6h 22m |
| Southwest Airlines | 7 | Boeing 737 MAX 8, Boeing 737-800 | 8,924 | 6h 3m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOS to SAN flight schedule
8 flight numbers flew this route in August 2026, 6 of them almost daily. The first usually leaves at 6:05am and the last at 5:20pm. 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 619JetBlue | 6:05am | 9:10am | 26 | 87% |
| AS 256Alaska Airlines | 8:28am | 11:43am | 31 | 85% |
| B6 219JetBlue | 8:50am | 11:56am | 31 | 83% |
| WN 1957Southwest Airlines | 9:05am | 12:00pm | 16 | 69% |
| WN 2587Southwest Airlines | 11:15am | 2:10pm | 12 | 25% |
| B6 319JetBlue | 4:20pm | 7:29pm | 31 | 74% |
| AS 389Alaska Airlines | 4:33pm | 7:53pm | 26 | 70% |
| DL 571Delta Air Lines | 5:20pm | 8:35pm | 31 | 66% |
Is BOS to SAN on time?
From September 2025 to August 2026, 75% of 1,880 flights arrived within 15 minutes of schedule and 1.8% were cancelled. Flights leaving around 7am were the most punctual (89%), those around 5pm the least (67%). Most delay time was caused by late-arriving aircraft (38%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| JetBlue | 919 | 82% | 13 min | 2% |
| Alaska Airlines | 508 | 75% | 19 min | 1.6% |
| Delta Air Lines | 364 | 66% | 16 min | 1.6% |
| Southwest Airlines | 89 | 45% | 38 min | 2.2% |
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 | 191 | 85% | |
| 7am to 8am | 122 | 89% | |
| 8am to 9am | 212 | 84% | |
| 9am to 10am | 104 | 88% | |
| 10am to 11am | 118 | 85% | |
| 3pm to 4pm | 149 | 78% | |
| 4pm to 5pm | 447 | 70% | |
| 5pm to 6pm | 468 | 67% | |
| 6pm to 7pm | 48 | 53% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 175 | 25,174 | |
| September 2025 | 130 | 19,793 | |
| October 2025 | 159 | 25,074 | |
| November 2025 | 136 | 19,637 | |
| December 2025 | 129 | 19,413 | |
| January 2026 | 111 | 15,191 | |
| February 2026 | 104 | 15,392 | |
| March 2026 | 150 | 20,543 | |
| April 2026 | 144 | 20,991 | |
| May 2026 | 163 | 22,547 | |
| June 2026 | 202 | 29,411 | |
| July 2026 | 207 | 32,014 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.