Which airline is most reliable for CHS (Charleston) to PHL (Philadelphia)?

The most reliable airline on the CHS to PHL route is PSA Airlines, with an on-time arrival rate of 81%.

How often are flights delayed from CHS to PHL?

About 21% of flights from CHS to PHL experience delays. 79% arrive on time.

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

When flights from CHS to PHL are delayed, the average delay is approximately 91 minutes.

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

With 79% of CHS to PHL flights arriving on time and an average delay of 91 minutes when late, a connection under 60 minutes at PHL is risky. We recommend at least 75-90 minutes for domestic connections after this route.

Is CHS (Charleston) to PHL (Philadelphia) usually delayed?

CHS to PHL flights are moderately reliable at 79% on time. About 21% of flights experience delays averaging 91 minutes. Delays on this route are most often caused by late incoming aircraft.

What airline is most reliable on CHS (Charleston) to PHL (Philadelphia)?

PSA Airlines is the most reliable airline flying CHS to PHL, with 81% of flights arriving on time. The least reliable is Spirit Airlines at 64%.

What's the best month to fly CHS (Charleston) to PHL (Philadelphia)?

The best month to fly CHS to PHL is November, when 86% of flights arrive on time. The worst month is July at 72% on time. If your schedule is flexible, flying in November gives you the best odds of an on-time arrival.

CHS → PHL

CHS (Charleston) to PHL (Philadelphia)

CHS (Charleston) to PHL (Philadelphia) flights arrive on time 79% of the time. The most reliable airline on this route is PSA Airlines at 81%. The average delay is 91 minutes. Delays on this route are most often caused by late incoming aircraft.

Source: Bureau of Transportation Statistics. Updated November 2026.

CHS → PHL on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 79% of flights arrive on schedule.

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

Accurate?

PSA Airlines is significantly more reliable on this route at 81% on time vs Spirit Airlines at 64%.

Airline Comparison

PSA Airlines leads at 81% on time; Spirit Airlines trails at 64%.

Accurate?

Best & worst months to fly CHS → PHL

Best month

November

86% on time

Worst month

July

72% on time

Nov

86%

Feb

85%

Oct

85%

Mar

84%

Dec

80%

Sep

79%

Apr

79%

May

78%

Jan

78%

Jun

76%

Aug

76%

Jul

72%

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 PHL

77% on time

When flights into PHL are late, the average delay is 84 minutes. Build buffer if you have ground plans.

If connecting at PHL: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.

PHL has a 2.1% cancellation rate — keep the airline app handy for rebooking.

More about PHL →Connection times at PHL →

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CHS Airport PHL Airport

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