Charleston Afb/Intl ⇄ St. Louis Lambert International CHS–STL
Airlines flew 323 flights between Charleston Afb/Intl CHS in Charleston, SC and St. Louis Lambert International STL in St Louis, MO in the twelve months to July 2026, both directions together: 35,833 passengers in 50,899 seats, 70% of them filled, and 9,235 pounds of freight. 706 miles, about 104 minutes in the air, on 2 airlines: Southwest Airlines Co. (321), Eastern Air Express, LLC (EAX) (2). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 3/25 | 8 |
| 4/25 | 48 |
| 5/25 | 62 |
| 6/25 | 62 |
| 7/25 | 62 |
| 8/25 | 37 |
| 9/25 | 36 |
| 10/25 | 8 |
| 3/26 | 9 |
| 4/26 | 50 |
| 5/26 | 60 |
| 6/26 | 61 |
| 7/26 | 62 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 3/25 | 884 |
| 4/25 | 5,902 |
| 5/25 | 7,811 |
| 6/25 | 7,662 |
| 7/25 | 7,332 |
| 8/25 | 4,094 |
| 9/25 | 4,288 |
| 10/25 | 1,074 |
| 3/26 | 814 |
| 4/26 | 5,566 |
| 5/26 | 6,564 |
| 6/26 | 6,904 |
| 7/26 | 6,529 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 321 | 35,585 | 70% | scheduled passenger service |
| Eastern Air Express, LLC (EAX) 37Q | 2 | 248 | 86% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-700/700LR/Max 7 | 157 | 140 | 17,005 |
| Boeing 737-800 | 95 | 175 | 10,619 |
| Boeing B737 Max 800 | 69 | 175 | 7,961 |
| Boeing 737-300 | 2 | 144 | 248 |
CHS → STL this direction alone · flown March 2025 to July 2026
160 flights of 159 scheduled, 17,297 passengers in 25,265 seats, 3,653 pounds of freight. Southwest Airlines Co. 159; Eastern Air Express, LLC (EAX) 1.
STL → CHS this direction alone · flown March 2025 to July 2026
163 flights of 160 scheduled, 18,536 passengers in 25,634 seats, 5,582 pounds of freight. Southwest Airlines Co. 162; Eastern Air Express, LLC (EAX) 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Charleston Afb/Intl CHS and St. Louis Lambert International STL; all routes.