CHS (Charleston) to BOS (Boston) flights arrive on time 73% of the time. The most reliable airline on this route is Republic Airways at 85%. The average delay is 93 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.CHS → BOS
CHS (Charleston) to BOS (Boston)
CHS → BOS on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 73% 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 85% on time vs Spirit Airlines at 70%.
Airline Comparison
Republic Airways leads at 85% on time; Spirit Airlines trails at 70%.
Accurate?
Good to know
Departing from CHS
80% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. CHS has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
CHS cancels 2.1% of flights — higher than average. Have a backup plan.
Arriving at BOS
79% on timeWhen flights into BOS are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at BOS: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.
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Flying CHS → BOS? We'll brief you before takeoff.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.