STL → CHSSt Louis to Charleston

live

Direct flights from St Louis (STL) to Charleston (CHS): 5 nonstop departures observed each week across 1 airline. The median arrival is 5 minutes late. No cancellations were recorded across the 4 tracked flights. The nonstop covers 1,135 km, an estimated 1 hour 57 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Charleston. Updated 13 September 2026 at 02:48 UTC.

STL St Louis busy · +16
CHS Charleston smooth · +0
1,135 km · ~1h 57m est.
dep bank 13:40–15:355x weekly
Running clean · 1 airline · 5x weekly · nonstop
89 / 100

route health from live STL and CHS delay boards

Median arrival delay is +5 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+5 minacross the last 4 operated legs
Flight time~1h 57mestimated from route distance
Weekly departures5x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Southwest AirlinesWN

Flights WN1125 13:40 Sa · WN4177 15:35 Mo Th Fr Su

History

operated legs · board outcomes
09-12WN1125dep +11 → arr−17
09-11WN4177dep +7 → arr−12
09-10WN4177dep +44 → arr+18
09-07WN4177dep +35 → arr+5

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
STLSt Louis +16 min busy 🌤 clear · N 0 kt Full STL delay board →
CHSCharleston +0 min smooth 🌤 mostly cloudy · S 7 kt Full CHS delay board →

Weather lens

Current conditions put the pressure at STL and CHS: 42% odds of a 15+ minute delay and around +8 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the St Louis to Charleston route actually runs

Pro Flight Search records official board updates for nonstop STL to CHS flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — St Louis (STL) to Charleston (CHS) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/STL-CHS
How we measure this →

STL to CHS questions

Is STL–CHS running on time right now?

Smooth skies ahead. The departure side at STL is the weaker end, route health score 89/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on STL–CHS?

Operators schedule 2 departures from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CHS delay card to confirm conditions when you'd arrive.

How long is the flight from STL to CHS?

Great-circle distance is 1,135 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 110–127 min gate-to-gate on this route.

How often does STL–CHS fly?

Southwest Airlines runs the route with about 5 flights a week (sun, mon, thu, fri, sat). Since one carrier owns the route, a single disruption tends to ripple through the day.