Charleston (CHS) to St Louis (STL)
Flight time
≈ 2h 13m
Bearing
308° NW
Charleston (CHS) to St Louis (STL) is 705 miles (1,135 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CHS–STL
Filed traffic dataIn May 2026, Southwest Airlines was the only carrier flying nonstop CHS–STL; the Boeing 737-800 was the most common aircraft at 52% of departures; flights ran 65% full.
Departures
60
May 2026
Seats
10,120
both directions
Passengers
6,564
both directions
Load factor
64.9%
RPM ÷ ASM
Who flies CHS–STL?
Southwest Airlines was the only carrier to fly nonstop CHS–STL in May 2026 (60 departures).
- WN
60 departures · 10,120 seats
Share of departures100.0%64.9%
Load
What plane flies CHS–STL?
In May 2026, the Boeing 737-800 flew 52% of CHS–STL departures — more than any other aircraft type.
- Boeing 737-800
31 departures · 62.1% load
51.7% - Boeing 737 MAX 8
19 departures · 62.1% load
31.7% - Boeing 737-700
10 departures · 82.6% load
16.7%
How has CHS–STL traffic changed?
Nonstop CHS–STL departures fell from 61 in June 2025 to 60 in May 2026.
Monthly nonstop CHS–STL traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
61 departures · 7,662 passengers
79.2%
Load
July 2025
62 departures · 7,332 passengers
73.4%
Load
August 2025
37 departures · 4,094 passengers
73.8%
Load
September 2025
36 departures · 4,288 passengers
81.2%
Load
October 2025
8 departures · 1,074 passengers
93.9%
Load
November 2025
0 departures · 0 passengers
—
Load
December 2025
0 departures · 0 passengers
—
Load
January 2026
0 departures · 0 passengers
—
Load
February 2026
0 departures · 0 passengers
—
Load
March 2026
9 departures · 814 passengers
53.0%
Load
April 2026
50 departures · 5,566 passengers
65.3%
Load
May 2026
60 departures · 6,564 passengers
64.9%
Load
By direction
Each direction is filed separately — they rarely match.
STL → CHS
65.2% full
31 departures · 3,537 passengers
CHS → STL
64.5% full
29 departures · 3,027 passengers
Nonstop CHS–STL traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Charleston (CHS) from St Louis (STL)?
CHS to STL is 705 miles (1,135 km / 613 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CHS to STL?
A nonstop covers the 705-mile great-circle distance in roughly 2h 13m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CHS–STL?
In May 2026, the Boeing 737-800 flew the largest share of departures (51.7%), followed by the Boeing 737 MAX 8 (31.7%).
What mileage do I earn flying CHS–STL?
Distance-based programs credit off the 705-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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