Which airline is most reliable for CHS (Charleston) to BOS (Boston)?

The most reliable airline on the CHS to BOS route is Republic Airways, with an on-time arrival rate of 87%.

How often are flights delayed from CHS to BOS?

About 27% of flights from CHS to BOS experience delays. 73% arrive on time.

What's the average delay on CHS to BOS flights?

When flights from CHS to BOS are delayed, the average delay is approximately 101 minutes.

Is a short connection safe after a CHS to BOS flight?

With 73% of CHS to BOS flights arriving on time and an average delay of 101 minutes when late, a connection under 60 minutes at BOS is risky. We recommend at least 75-90 minutes for domestic connections after this route.

Is CHS (Charleston) to BOS (Boston) usually delayed?

CHS to BOS flights are moderately reliable at 73% on time. About 27% of flights experience delays averaging 101 minutes. Delays on this route are most often caused by late incoming aircraft.

What airline is most reliable on CHS (Charleston) to BOS (Boston)?

Republic Airways is the most reliable airline flying CHS to BOS, with 87% of flights arriving on time. The least reliable is Spirit Airlines at 70%.

What's the best month to fly CHS (Charleston) to BOS (Boston)?

The best month to fly CHS to BOS is January, when 81% of flights arrive on time. The worst month is July at 61% on time. If your schedule is flexible, flying in January gives you the best odds of an on-time arrival.

CHS → BOS

CHS (Charleston) to BOS (Boston)

CHS (Charleston) to BOS (Boston) flights arrive on time 73% of the time. The most reliable airline on this route is Republic Airways at 87%. The average delay is 101 minutes. Delays on this route are most often caused by late incoming aircraft.

Source: Bureau of Transportation Statistics. Updated November 2026.

CHS → BOS on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is delayed fairly often. About 73% of flights arrive on schedule.

Delays on this route are most often caused by late incoming aircraft.

Accurate?

Republic Airways is significantly more reliable on this route at 87% on time vs Spirit Airlines at 70%.

Airline Comparison

Republic Airways leads at 87% on time; Spirit Airlines trails at 70%.

Accurate?

Best & worst months to fly CHS → BOS

Best month

January

81% on time

Worst month

July

61% on time

Jan

81%

Mar

80%

Nov

80%

Apr

78%

Feb

78%

May

75%

Dec

73%

Jun

71%

Oct

70%

Aug

69%

Sep

64%

Jul

61%

Good to know

Departing from CHS

80% on time

Expect ~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 (5 min).

More about CHS →

Arriving at BOS

77% on time

When flights into BOS are late, the average delay is 75 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.

More about BOS →Connection times at BOS →

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CHS Airport BOS Airport

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Data last updated November 2026. Source: Bureau of Transportation Statistics.