Charleston (CHS) to St. Louis (STL): On-Time Performance
Data through May 2026
Charleston (CHS) to St. Louis (STL) is a thinner route than most in this dataset — 159 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
- 15 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 0.44
- last 12 months
- Duration
- 2h 13m
- scheduled
- Distance
- 706 mi
Monthly on-time trend
Best time to fly from CHS to STL
Aim for departures around 11 a.m. (94% on-time); avoid 4 p.m. departures (71%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 19 min |
| Tuesday | 88% | 8 min |
| Wednesday | 88% | 7 min |
| Thursday | 73% | 27 min |
| Friday | 81% | 11 min |
| Saturdaybest | 92% | 5 min |
| Sunday | 75% | 22 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft74%
- Airline operations17%
- National airspace system3%
- Weather6%
Frequently asked questions
- How often are flights from CHS to STL delayed?
- 19% of CHS–STL 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 15 minutes.
- What is the best time of day to fly from CHS to STL?
- Departures around 11 a.m. have the best record (94% on-time), while departures around 4 p.m. have the worst (71%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CHS to STL?
- The scheduled CHS–STL flight time averages 2h 13m over 706 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are CHS to STL flights cancelled?
- 0.4% 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 CHS to STL?
- Saturday flights have the best record at 92% on-time. Day-of-week differences on this route are meaningful — Monday trails at 71%.
Explore related pages
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Related guides
Based on 252 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.