STL (St. Louis) to CLT (Charlotte) flights arrive on time 81% of the time. The most reliable airline on this route is American Airlines at 83%. The average delay is 91 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.STL → CLT
STL (St. Louis) to CLT (Charlotte)
STL → CLT on-time performance by month
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This route is on time most of the time. About 81% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
American Airlines edges out Southwest Airlines on this route — 83% vs 75% on time.
Airline Comparison
American Airlines leads at 83% on time; Southwest Airlines trails at 75%.
Accurate?
Good to know
Departing from STL
81% on timeTSA is currently ~20 min. Best time: 4 AM (about 5 min).
Arriving at CLT
80% on timeWhen flights into CLT are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at CLT: TSA is ~6 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what American Airlines owes you — refund rights, action plan, complaint email. Free.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.