Which airline is most reliable for CHS (Charleston) to BWI (Baltimore)?

The most reliable airline on the CHS to BWI route is Southwest Airlines, with an on-time arrival rate of 84%.

How often are flights delayed from CHS to BWI?

About 16% of flights from CHS to BWI experience delays. 84% arrive on time.

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

When flights from CHS to BWI are delayed, the average delay is approximately 50 minutes.

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

With 84% of CHS to BWI flights arriving on time and an average delay of 50 minutes when late, a connection under 60 minutes at BWI is risky. We recommend at least 75-90 minutes for domestic connections after this route.

Is CHS (Charleston) to BWI (Baltimore) usually delayed?

No, CHS to BWI flights are generally reliable. 84% arrive on time, which is above average. When delays do occur, they average 50 minutes.

What airline is most reliable on CHS (Charleston) to BWI (Baltimore)?

Southwest Airlines is the most reliable airline flying CHS to BWI, with 84% of flights arriving on time.

What's the best month to fly CHS (Charleston) to BWI (Baltimore)?

The best month to fly CHS to BWI is February, when 90% of flights arrive on time. The worst month is July at 74% on time. If your schedule is flexible, flying in February gives you the best odds of an on-time arrival.

CHS → BWI

CHS (Charleston) to BWI (Baltimore)

CHS (Charleston) to BWI (Baltimore) flights arrive on time 84% of the time. The most reliable airline on this route is Southwest Airlines at 84%. The average delay is 50 minutes. Delays on this route are most often caused by late incoming aircraft.

Source: Bureau of Transportation Statistics. Updated November 2026.

CHS → BWI on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 84% of flights arrive on schedule.

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

Accurate?

Best & worst months to fly CHS → BWI

Best month

February

90% on time

Worst month

July

74% on time

Feb

90%

Nov

88%

Mar

88%

Sep

87%

Jan

87%

Dec

85%

Oct

84%

Apr

84%

May

81%

Jun

80%

Aug

80%

Jul

74%

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 BWI

79% on time

When flights into BWI are late, the average delay is 60 minutes. Build buffer if you have ground plans.

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

More about BWI →Connection times at BWI →

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CHS Airport BWI Airport

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