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

The most reliable airline on the BOS to CHS route is Republic Airways, with an on-time arrival rate of 86%.

How often are flights delayed from BOS to CHS?

About 23% of flights from BOS to CHS experience delays. 77% arrive on time.

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

When flights from BOS to CHS are delayed, the average delay is approximately 69 minutes.

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

With 77% of BOS to CHS flights arriving on time and an average delay of 69 minutes when late, a connection under 60 minutes at CHS is risky. We recommend at least 75-90 minutes for domestic connections after this route.

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

BOS to CHS flights are moderately reliable at 77% on time. About 23% of flights experience delays averaging 69 minutes. Delays on this route are most often caused by airline operations (crew, maintenance, boarding).

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

Republic Airways is the most reliable airline flying BOS to CHS, with 86% of flights arriving on time. The least reliable is JetBlue Airways at 74%.

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

The best month to fly BOS to CHS is May, when 82% of flights arrive on time. The worst month is December at 70% on time. If your schedule is flexible, flying in May gives you the best odds of an on-time arrival.

BOS → CHS

BOS (Boston) to CHS (Charleston)

BOS (Boston) to CHS (Charleston) flights arrive on time 77% of the time. The most reliable airline on this route is Republic Airways at 86%. The average delay is 69 minutes. Delays on this route are most often caused by airline operations (crew, maintenance, boarding).

Source: Bureau of Transportation Statistics. Updated November 2026.

BOS → CHS on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

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 airline operations (crew, maintenance, boarding).

Accurate?

Republic Airways edges out JetBlue Airways on this route — 86% vs 74% on time.

Airline Comparison

Republic Airways leads at 86% on time; JetBlue Airways trails at 74%.

Accurate?

Best & worst months to fly BOS → CHS

Best month

May

82% on time

Worst month

December

70% on time

May

82%

Mar

81%

Oct

80%

Nov

79%

Jan

79%

Jun

79%

Apr

79%

Feb

77%

Aug

72%

Jul

71%

Sep

71%

Dec

70%

Good to know

Departing from BOS

77% on time

Expect ~20 min sitting on the taxiway after your gate pushes back. BOS has long runway queues.

TSA is currently ~5 min. Best time: 4 AM (5 min).

More about BOS →

Arriving at CHS

80% on time

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

More about CHS →Connection times at CHS →

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