Which airline is most reliable for ATL (Atlanta) to CHS (Charleston)?

The most reliable airline on the ATL to CHS route is Delta Air Lines, with an on-time arrival rate of 83%.

How often are flights delayed from ATL to CHS?

About 17% of flights from ATL to CHS experience delays. 83% arrive on time.

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

When flights from ATL to CHS are delayed, the average delay is approximately 53 minutes.

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

With 83% of ATL to CHS flights arriving on time and an average delay of 53 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 ATL (Atlanta) to CHS (Charleston) usually delayed?

No, ATL to CHS flights are generally reliable. 83% arrive on time, which is above average. When delays do occur, they average 53 minutes.

What airline is most reliable on ATL (Atlanta) to CHS (Charleston)?

Delta Air Lines is the most reliable airline flying ATL to CHS, with 83% of flights arriving on time.

What's the best month to fly ATL (Atlanta) to CHS (Charleston)?

The best month to fly ATL to CHS is November, when 93% of flights arrive on time. The worst month is July at 67% on time. If your schedule is flexible, flying in November gives you the best odds of an on-time arrival.

ATL → CHS

ATL (Atlanta) to CHS (Charleston)

ATL (Atlanta) to CHS (Charleston) flights arrive on time 83% of the time. The most reliable airline on this route is Delta Air Lines at 83%. The average delay is 53 minutes. Delays on this route are most often caused by airline operations (crew, maintenance, boarding).

Source: Bureau of Transportation Statistics. Updated November 2026.

ATL → CHS on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 83% of flights arrive on schedule.

Delays on this route are most often caused by airline operations (crew, maintenance, boarding).

Accurate?

Best & worst months to fly ATL → CHS

Best month

November

93% on time

Worst month

July

67% on time

Nov

93%

Oct

91%

Sep

90%

Dec

87%

Apr

86%

Feb

85%

Mar

84%

Jan

83%

Aug

81%

May

79%

Jun

78%

Jul

67%

Good to know

Departing from ATL

81% on time

Expect ~17 min sitting on the taxiway after your gate pushes back. ATL has long runway queues.

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

More about ATL →

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.