Which airline is most reliable for CHS (Charleston) to ORD (Chicago)?

The most reliable airline on the CHS to ORD route is United Airlines, with an on-time arrival rate of 86%.

How often are flights delayed from CHS to ORD?

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

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

When flights from CHS to ORD are delayed, the average delay is approximately 73 minutes.

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

With 83% of CHS to ORD flights arriving on time and an average delay of 73 minutes when late, a connection under 60 minutes at ORD is risky. We recommend at least 75-90 minutes for domestic connections after this route.

Is CHS (Charleston) to ORD (Chicago) usually delayed?

No, CHS to ORD flights are generally reliable. 83% arrive on time, which is above average. When delays do occur, they average 73 minutes.

What airline is most reliable on CHS (Charleston) to ORD (Chicago)?

United Airlines is the most reliable airline flying CHS to ORD, with 86% of flights arriving on time. The least reliable is null at 80%.

What's the best month to fly CHS (Charleston) to ORD (Chicago)?

The best month to fly CHS to ORD is October, when 88% of flights arrive on time. The worst month is July at 79% on time. If your schedule is flexible, flying in October gives you the best odds of an on-time arrival.

CHS → ORD

CHS (Charleston) to ORD (Chicago)

CHS (Charleston) to ORD (Chicago) flights arrive on time 83% of the time. The most reliable airline on this route is United Airlines at 86%. The average delay is 73 minutes. Delays on this route are most often caused by air traffic congestion.

Source: Bureau of Transportation Statistics. Updated November 2026.

CHS → ORD 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 air traffic congestion.

Accurate?

United Airlines edges out null on this route — 86% vs 80% on time.

Airline Comparison

United Airlines leads at 86% on time; trails at 80%.

Accurate?

Best & worst months to fly CHS → ORD

Best month

October

88% on time

Worst month

July

79% on time

Oct

88%

Sep

88%

Nov

85%

Jun

84%

Feb

84%

Aug

83%

Dec

82%

Mar

81%

May

81%

Jan

81%

Apr

80%

Jul

79%

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 ORD

77% on time

When flights into ORD are late, the average delay is 79 minutes. Build buffer if you have ground plans.

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

More about ORD →Connection times at ORD →

Flight cancelled or delayed?

Check what United Airlines owes you — refund rights, action plan, complaint email. Free.

Claim your free flight report

Delay risk, connection odds, TSA wait, gate info — personalized for your flight.

Free. One email. No spam.

Flying out of CHS? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

CHS Airport ORD Airport

Check the return: ORD → CHS

Flying this route?

Enter your flight number for a personalized delay briefing.

Check your flight

Know someone flying soon?

Send them the link — delay data, TSA waits, weather, all free.

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