San Diego (SAN) to Baltimore (BWI) flights
Southwest Airlines flies nonstop from San Diego International Airport to Baltimore/Washington International Thurgood Marshall Airport, with about 23 flights a week in July 2026. The 2,295-mile flight takes about 4h 46m gate to gate.
- Distance
- 2,295 mi · 3,693 km
- Flight time
- 4h 46m
- Airlines
- 1
- Seats filled
- 82%
Airlines flying SAN to BWI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 23 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 161,139 | 4h 46m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SAN to BWI flight schedule
4 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 6:35am and the last at 10:40pm. 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) |
|---|---|---|---|---|
| WN 3404Southwest Airlines | 6:35am | 2:40pm | 24 | 92% |
| WN 4424Southwest Airlines | 11:45am | 7:45pm | 28 | 12% |
| WN 3405Southwest Airlines | 3:30pm | 11:25pm | 12 | 75% |
| WN 3406Southwest Airlines | 10:40pm | 6:35am | 28 | 89% |
Is SAN to BWI on time?
From September 2025 to August 2026, 77% of 1,182 flights arrived within 15 minutes of schedule and 1.7% were cancelled. Flights leaving around 7am were the most punctual (91%), those around 1pm the least (50%). Most delay time was caused by late-arriving aircraft (53%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,182 | 77% | 12 min | 1.7% |
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 | 242 | 90% | |
| 7am to 8am | 98 | 91% | |
| 10am to 11am | 31 | 66% | |
| 11am to 12pm | 127 | 65% | |
| 12pm to 1pm | 105 | 68% | |
| 1pm to 2pm | 106 | 50% | |
| 2pm to 3pm | 41 | 30% | |
| 3pm to 4pm | 49 | 71% | |
| 9pm to 10pm | 337 | 86% | |
| 10pm to 11pm | 28 | 89% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 84 | 12,389 | |
| September 2025 | 81 | 10,962 | |
| October 2025 | 101 | 13,439 | |
| November 2025 | 97 | 12,613 | |
| December 2025 | 97 | 12,925 | |
| January 2026 | 88 | 11,226 | |
| February 2026 | 79 | 10,459 | |
| March 2026 | 100 | 14,545 | |
| April 2026 | 103 | 15,547 | |
| May 2026 | 105 | 15,371 | |
| June 2026 | 101 | 16,266 | |
| July 2026 | 102 | 15,564 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.