ORD (Chicago) to CHS (Charleston) flights arrive on time 83% of the time. The most reliable airline on this route is Republic Airways at 90%. The average delay is 59 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.ORD → CHS
ORD (Chicago) to CHS (Charleston)
ORD → CHS on-time performance by month
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This route is on time most of the time. About 83% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Republic Airways is significantly more reliable on this route at 90% on time vs American Airlines at 74%.
Airline Comparison
Republic Airways leads at 90% on time; American Airlines trails at 74%.
Accurate?
Good to know
Departing from ORD
80% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. ORD has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at CHS
80% on timeWhen flights into CHS are late, the average delay is 70 minutes. Build buffer if you have ground plans.
If connecting at CHS: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
CHS has a 2.1% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.
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Flying ORD → CHS? We'll brief you before takeoff.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.