Baltimore (BWI) to Charleston (CHS)
Flight time
≈ 1h 45m
Bearing
204° SW
Baltimore (BWI) to Charleston (CHS) is 473 miles (761 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BWI–CHS
US DOT T-100 · filed dataIn April 2026, Southwest Airlines was the only carrier flying nonstop BWI–CHS; the Boeing 737-700 was the most common aircraft at 46% of departures; flights ran 77% full.
Departures
218
April 2026
Seats
34,350
both directions
Passengers
26,568
both directions
Load factor
77.3%
passengers ÷ seats
Who flies BWI–CHS?
Southwest Airlines was the only carrier to fly nonstop BWI–CHS in April 2026 (218 departures).
- WN
Southwest Airlines
218 departures · 34,350 seats
Share of departures100.0%77.3%
Load
What plane flies BWI–CHS?
In April 2026, the Boeing 737-700 flew 46% of BWI–CHS departures — more than any other aircraft type.
- Boeing 737-700
100 departures · 81.2% load
45.9% - Boeing 737 MAX 8
75 departures · 71.1% load
34.4% - Boeing 737-800
43 departures · 81.2% load
19.7%
How has BWI–CHS traffic changed?
Nonstop BWI–CHS departures fell from 251 in May 2025 to 218 in April 2026.
Monthly nonstop BWI–CHS traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
251 departures · 29,974 passengers
70.3%
Load
June 2025
234 departures · 26,789 passengers
67.9%
Load
July 2025
223 departures · 23,854 passengers
63.4%
Load
August 2025
199 departures · 22,924 passengers
70.8%
Load
September 2025
180 departures · 21,490 passengers
73.8%
Load
October 2025
237 departures · 26,705 passengers
72.4%
Load
November 2025
205 departures · 22,077 passengers
66.3%
Load
December 2025
200 departures · 19,813 passengers
63.4%
Load
January 2026
180 departures · 12,674 passengers
44.3%
Load
February 2026
158 departures · 14,965 passengers
61.1%
Load
March 2026
207 departures · 22,790 passengers
70.2%
Load
April 2026
218 departures · 26,568 passengers
77.3%
Load
By direction
The DOT files each direction separately — they rarely match.
BWI → CHS
74.8% full
109 departures · 13,015 passengers
CHS → BWI
80.0% full
109 departures · 13,553 passengers
Nonstop BWI–CHS traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Baltimore
US
Baltimore/Washington International Thurgood Marshall Airport
Coordinates
39.18°N, 76.67°W
Hemisphere
N · W
Frequently asked
How far is Baltimore (BWI) from Charleston (CHS)?
BWI to CHS is 473 miles (761 km / 411 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BWI to CHS?
A nonstop covers the 473-mile great-circle distance in roughly 1h 45m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BWI–CHS?
In April 2026, the Boeing 737-700 flew the largest share of departures (45.9%), followed by the Boeing 737 MAX 8 (34.4%).
What mileage do I earn flying BWI–CHS?
Distance-based programs credit off the 473-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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