Charleston (CHS) to Baltimore (BWI) flights
Southwest Airlines flies nonstop from Charleston International Airport to Baltimore/Washington International Thurgood Marshall Airport, with about 23 flights a week in July 2026. The 472-mile flight takes about 1h 27m gate to gate.
- Distance
- 472 mi · 760 km
- Flight time
- 1h 27m
- Airlines
- 1
- Seats filled
- 70%
Airlines flying CHS to BWI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 23 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 133,092 | 1h 27m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
CHS to BWI flight schedule
8 flight numbers flew this route in August 2026. The first usually leaves at 7:20am and the last at 6:05pm. 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 4927Southwest Airlines | 7:20am | 8:50am | 4 | n/a |
| WN 1051Southwest Airlines | 8:05am | 9:35am | 4 | n/a |
| WN 1087Southwest Airlines | 8:10am | 9:40am | 8 | n/a |
| WN 1124Southwest Airlines | 8:40am | 10:10am | 12 | 92% |
| WN 1488Southwest Airlines | 1:15pm | 2:45pm | 12 | 67% |
| WN 3417Southwest Airlines | 1:25pm | 2:55pm | 8 | n/a |
| WN 1125Southwest Airlines | 5:10pm | 6:45pm | 16 | 63% |
| WN 1481Southwest Airlines | 6:05pm | 7:40pm | 16 | 50% |
Is CHS to BWI on time?
From September 2025 to August 2026, 81% of 1,229 flights arrived within 15 minutes of schedule and 1.5% were cancelled. Flights leaving around 8am were the most punctual (95%), those around 4pm the least (59%). Most delay time was caused by late-arriving aircraft (52%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,229 | 81% | 11 min | 1.5% |
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 | 220 | 95% | |
| 8am to 9am | 141 | 95% | |
| 10am to 11am | 136 | 87% | |
| 11am to 12pm | 73 | 92% | |
| 12pm to 1pm | 30 | 86% | |
| 1pm to 2pm | 61 | 82% | |
| 2pm to 3pm | 48 | 83% | |
| 3pm to 4pm | 49 | 58% | |
| 4pm to 5pm | 89 | 59% | |
| 5pm to 6pm | 62 | 72% | |
| 6pm to 7pm | 147 | 78% | |
| 7pm to 8pm | 96 | 66% | |
| 8pm to 9pm | 73 | 68% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 99 | 11,707 | |
| September 2025 | 89 | 11,010 | |
| October 2025 | 118 | 13,019 | |
| November 2025 | 101 | 11,175 | |
| December 2025 | 100 | 9,997 | |
| January 2026 | 91 | 6,624 | |
| February 2026 | 78 | 7,532 | |
| March 2026 | 103 | 11,167 | |
| April 2026 | 109 | 13,553 | |
| May 2026 | 113 | 13,592 | |
| June 2026 | 108 | 12,648 | |
| July 2026 | 103 | 11,489 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.