Baltimore (BWI) to San Francisco (SFO) flights
United Airlines, Southwest Airlines fly nonstop from Baltimore/Washington International Thurgood Marshall Airport to San Francisco International Airport, with about 19 flights a week in July 2026. The 2,457-mile flight takes about 5h 55m gate to gate.
- Distance
- 2,457 mi · 3,954 km
- Flight time
- 5h 55m
- Airlines
- 2
- Seats filled
- 80%
Airlines flying BWI to SFO
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 12 | Boeing 737 MAX 8, Boeing 737 MAX 9, Boeing 737-800 | 92,870 | 5h 56m |
| Southwest Airlines | 7 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 48,896 | 5h 52m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BWI to SFO flight schedule
6 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 8:00am and the last at 6:52pm. 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) |
|---|---|---|---|---|
| UA 2192United Airlines | 8:00am | 10:58am | 31 | 93% |
| WN 4007Southwest Airlines | 8:10am | 10:55am | 4 | n/a |
| WN 4504Southwest Airlines | 8:55am | 11:35am | 7 | n/a |
| WN 3325Southwest Airlines | 10:20am | 1:00pm | 12 | 8% |
| WN 4376Southwest Airlines | 10:50am | 1:30pm | 4 | n/a |
| UA 504United Airlines | 6:52pm | 9:43pm | 20 | 54% |
Is BWI to SFO on time?
From September 2025 to August 2026, 69% of 1,033 flights arrived within 15 minutes of schedule and 0.9% were cancelled. Flights leaving around 6am were the most punctual (89%), those around 8pm the least (40%). Most delay time was caused by air traffic control and airport congestion (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 668 | 78% | 12 min | 0.9% |
| Southwest Airlines | 365 | 51% | 28 min | 0.8% |
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 | 177 | 89% | |
| 8am to 9am | 183 | 86% | |
| 9am to 10am | 42 | 98% | |
| 10am to 11am | 90 | 67% | |
| 11am to 12pm | 30 | 77% | |
| 12pm to 1pm | 28 | 29% | |
| 2pm to 3pm | 27 | 19% | |
| 3pm to 4pm | 26 | 77% | |
| 5pm to 6pm | 41 | 32% | |
| 6pm to 7pm | 286 | 58% | |
| 7pm to 8pm | 29 | 76% | |
| 8pm to 9pm | 65 | 40% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 103 | 13,920 | |
| September 2025 | 85 | 11,050 | |
| October 2025 | 106 | 13,557 | |
| November 2025 | 80 | 10,183 | |
| December 2025 | 84 | 11,521 | |
| January 2026 | 83 | 10,069 | |
| February 2026 | 75 | 9,198 | |
| March 2026 | 89 | 12,159 | |
| April 2026 | 86 | 11,884 | |
| May 2026 | 86 | 12,243 | |
| June 2026 | 83 | 13,092 | |
| July 2026 | 82 | 12,890 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.