San Francisco (SFO) to Baltimore (BWI) flights
United Airlines, Southwest Airlines fly nonstop from San Francisco International Airport to Baltimore/Washington International Thurgood Marshall Airport, with about 19 flights a week in July 2026. The 2,457-mile flight takes about 5h 5m gate to gate.
- Distance
- 2,457 mi · 3,954 km
- Flight time
- 5h 5m
- Airlines
- 2
- Seats filled
- 83%
Airlines flying SFO to BWI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 12 | Boeing 737 MAX 8, Boeing 737 MAX 9, Boeing 737-800 | 97,363 | 5h 9m |
| Southwest Airlines | 7 | Boeing 737-800, Boeing 737 MAX 8 | 52,733 | 4h 58m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SFO to BWI flight schedule
3 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 9:10am and the last at 10:52pm. 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 2664United Airlines | 9:10am | 5:40pm | 31 | 92% |
| WN 3547Southwest Airlines | 10:30pm | 6:35am | 28 | 46% |
| UA 1340United Airlines | 10:52pm | 7:15am | 20 | 88% |
Is SFO to BWI on time?
From September 2025 to August 2026, 81% of 1,034 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 8am were the most punctual (96%), those around 9pm the least (71%). Most delay time was caused by late-arriving aircraft (62%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 669 | 91% | 5 min | 0.4% |
| Southwest Airlines | 365 | 63% | 19 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 |
|---|---|---|---|
| 8am to 9am | 53 | 96% | |
| 9am to 10am | 293 | 91% | |
| 1pm to 2pm | 36 | 78% | |
| 9pm to 10pm | 447 | 71% | |
| 10pm to 11pm | 126 | 80% | |
| 11pm to 12am | 78 | 96% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 101 | 15,473 | |
| September 2025 | 88 | 11,926 | |
| October 2025 | 105 | 14,050 | |
| November 2025 | 80 | 10,633 | |
| December 2025 | 87 | 11,953 | |
| January 2026 | 81 | 11,166 | |
| February 2026 | 77 | 10,441 | |
| March 2026 | 90 | 13,491 | |
| April 2026 | 86 | 12,695 | |
| May 2026 | 87 | 12,368 | |
| June 2026 | 83 | 13,210 | |
| July 2026 | 85 | 13,129 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.