FlightRecord

Charleston (CHS) to St. Louis (STL): On-Time Performance

Data through July 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, 79% arrived on time.

On-time
79%
arrived <15 min late
Avg delay
16 min
completed flights
Cancelled
0.3%
Flights/day
0.44
last 12 months
Duration
2h 13m
scheduled
Distance
706 mi

Monthly on-time trend

Monthly on-time percentage for CHS to STL flights50%75%100%July 2024: 63% on-time (8 flights)63Jul 2024August 2024: 80% on-time (5 flights)80September 2024: 75% on-time (4 flights)75October 2024: 100% on-time (8 flights)100Oct 2024November 2024: 0% on-time (1 flights)0March 2025: 100% on-time (4 flights)100April 2025: 92% on-time (24 flights)92Apr 2025May 2025: 68% on-time (31 flights)68June 2025: 73% on-time (30 flights)73July 2025: 77% on-time (31 flights)77Jul 2025August 2025: 78% on-time (18 flights)78September 2025: 100% on-time (17 flights)100October 2025: 75% on-time (4 flights)75Oct 2025March 2026: 75% on-time (4 flights)75April 2026: 96% on-time (25 flights)96May 2026: 79% on-time (30 flights)79May 2026June 2026: 73% on-time (30 flights)73July 2026: 65% on-time (31 flights)65

Best time to fly from CHS to STL

Aim for departures around 11 a.m. (94% on-time); avoid 4 p.m. departures (64%).

On-time percentage by scheduled departure hour, CHS to STL11 a.m.: 94% on-time (35 flights)111 p.m.: 76% on-time (42 flights)132 p.m.: 81% on-time (48 flights)143 p.m.: 88% on-time (24 flights)154 p.m.: 64% on-time (61 flights)165 p.m.: 79% on-time (56 flights)17scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday70%20 min
Tuesday88%7 min
Wednesday91%5 min
Thursday69%29 min
Friday73%22 min
Saturdaybest93%4 min
Sunday70%23 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft73%
  • Airline operations15%
  • National airspace system5%
  • Weather7%

Frequently asked questions

How often are flights from CHS to STL delayed?
21% of CHS–STL 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 16 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 (64%). 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 21% of the time.
How often are CHS to STL flights cancelled?
0.3% 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 CHS to STL?
Saturday flights have the best record at 93% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 69%.

Based on 305 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.