BOS (Boston) to CHS (Charleston) flights arrive on time 77% of the time. The most reliable airline on this route is Republic Airways at 85%. The average delay is 66 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated July 2026.BOS → CHS
BOS (Boston) to CHS (Charleston)
BOS → CHS on-time performance by month
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This route is on time most of the time. About 77% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Republic Airways edges out JetBlue Airways on this route — 85% vs 73% on time.
Airline Comparison
Republic Airways leads at 85% on time; JetBlue Airways trails at 73%.
Accurate?
Good to know
Departing from BOS
77% on timeExpect ~21 min sitting on the taxiway after your gate pushes back. BOS has long runway queues.
TSA is currently ~20 min. Best time: 4 AM (about 5 min).
Arriving at CHS
80% on timeWhen flights into CHS are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at CHS: TSA is ~16 min right now. Allow at least 60 minutes for a domestic connection.
CHS has a 2.2% 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.
Flying out of BOS? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated July 2026. Source: Bureau of Transportation Statistics.