St. Louis (STL) to Charleston (CHS): On-Time Performance
Data through May 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, 83% arrived on time, comfortably above the national average of 78%.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 8 min
- completed flights
- Cancelled
- 0.0%
- Flights/day
- 0.44
- last 12 months
- Duration
- 1h 55m
- 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 (77%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 14 min |
| Tuesday | 92% | 3 min |
| Wednesdaybest | 96% | 3 min |
| Thursday | 76% | 18 min |
| Friday | 79% | 7 min |
| Saturday | 82% | 6 min |
| Sunday | 82% | 7 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft46%
- Airline operations34%
- National airspace system20%
Frequently asked questions
- How often are flights from STL to CHS delayed?
- 17% of STL–CHS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 8 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 (77%). 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 55m over 706 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are STL to CHS flights cancelled?
- 0% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for STL to CHS?
- Monday flights have the best record at 84% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 76%.
Explore related pages
More routes from STL
Other ways to fly to Charleston (CHS)
Related guides
Based on 253 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.