St. Louis (STL) to Charleston (CHS): On-Time Performance
Data through July 2026
St. Louis (STL) to Charleston (CHS) is a thinner route than most in this dataset — 160 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 81% arrived on time.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 0.0%
- Flights/day
- 0.44
- last 12 months
- Duration
- 1h 56m
- scheduled
- Distance
- 706 mi
Monthly on-time trend
Best time to fly from STL to CHS
Aim for departures around 7 a.m. (87% on-time); avoid 2 p.m. departures (75%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 11 min |
| Tuesdaybest | 94% | 3 min |
| Wednesday | 91% | 3 min |
| Thursday | 74% | 17 min |
| Friday | 74% | 10 min |
| Saturday | 83% | 6 min |
| Sunday | 75% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations27%
- National airspace system23%
Frequently asked questions
- How often are flights from STL to CHS delayed?
- 19% of STL–CHS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 9 minutes.
- What is the best time of day to fly from STL to CHS?
- Departures around 7 a.m. have the best record (87% on-time), while departures around 2 p.m. have the worst (75%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from STL to CHS?
- The scheduled STL–CHS flight time averages 1h 56m over 706 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are STL to CHS flights cancelled?
- 0% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What day of the week is most reliable for STL to CHS?
- Tuesday flights have the best record at 94% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 74%.
Explore related pages
More routes from STL
Other ways to fly to Charleston (CHS)
Related guides
Based on 306 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.