Baltimore (BWI) to Charleston (CHS) flights
Southwest Airlines flies nonstop from Baltimore/Washington International Thurgood Marshall Airport to Charleston International Airport, with about 23 flights a week in July 2026. The 472-mile flight takes about 1h 38m gate to gate.
- Distance
- 472 mi · 760 km
- Flight time
- 1h 38m
- Airlines
- 1
- Seats filled
- 68%
Airlines flying BWI to CHS
| 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 | 130,426 | 1h 38m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BWI to CHS flight schedule
9 flight numbers flew this route in August 2026. The first usually leaves at 8:15am and the last at 6:50pm. 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 898Southwest Airlines | 8:15am | 10:05am | 14 | 88% |
| WN 4511Southwest Airlines | 8:40am | 10:25am | 4 | n/a |
| WN 951Southwest Airlines | 9:05am | 10:50am | 12 | 83% |
| WN 2026Southwest Airlines | 10:50am | 12:35pm | 8 | n/a |
| WN 232Southwest Airlines | 12:55pm | 2:35pm | 4 | 56% |
| WN 191Southwest Airlines | 1:45pm | 3:25pm | 12 | 58% |
| WN 3098Southwest Airlines | 5:15pm | 6:55pm | 4 | n/a |
| WN 899Southwest Airlines | 5:35pm | 7:15pm | 19 | 70% |
| WN 1477Southwest Airlines | 6:50pm | 8:30pm | 12 | 33% |
Is BWI to CHS on time?
From September 2025 to August 2026, 80% of 1,230 flights arrived within 15 minutes of schedule and 1.8% were cancelled. Flights leaving around 8am were the most punctual (91%), those around 8pm the least (58%). Most delay time was caused by late-arriving aircraft (46%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,230 | 80% | 12 min | 1.8% |
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 | 321 | 91% | |
| 9am to 10am | 45 | 93% | |
| 11am to 12pm | 160 | 80% | |
| 12pm to 1pm | 43 | 88% | |
| 1pm to 2pm | 58 | 79% | |
| 2pm to 3pm | 29 | 93% | |
| 3pm to 4pm | 50 | 82% | |
| 5pm to 6pm | 156 | 68% | |
| 6pm to 7pm | 135 | 75% | |
| 7pm to 8pm | 70 | 87% | |
| 8pm to 9pm | 145 | 58% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 100 | 11,217 | |
| September 2025 | 91 | 10,480 | |
| October 2025 | 118 | 13,557 | |
| November 2025 | 101 | 10,486 | |
| December 2025 | 100 | 9,816 | |
| January 2026 | 89 | 6,050 | |
| February 2026 | 80 | 7,433 | |
| March 2026 | 104 | 11,623 | |
| April 2026 | 109 | 13,015 | |
| May 2026 | 112 | 12,650 | |
| June 2026 | 106 | 12,784 | |
| July 2026 | 104 | 11,683 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.