How delayed is Charleston, SC (CHS)?

Charleston, SC has an on-time rate of 80.8%. The average delay is 14.5 min.

What causes delays at CHS?

The main delay causes at CHS are carrier issues (30.1%), weather (3.5%), NAS/air traffic control (23.0%), and late arriving aircraft (43.3%).

What is the best time to fly from CHS?

The best time to fly from CHS is at 5:00 with a 91.4% on-time rate. Nov is the best month with 86.3% on-time flights.

Charleston, SC

Charleston, SC, SC — CHS

On-Time Rate

80.8%

2019-2025

Avg Delay

14.5 min

when delayed

Cancel Rate

2.7%

flights cancelled

Total Flights

160,492

2019-2025

Best Month

Nov

86.3% on-time

Worst Month

Jul

73.9% on-time

Best Departure Time

5:00

91.4% on-time

12-Month On-Time Trend

Delay Causes

Best Time to Fly (By Hour)

Seasonal Pattern

Airlines at CHS

Airline	Flights	On-Time
Delta Air Lines	24,484	87.4%
Southwest Airlines	23,087	80.7%
American Airlines	22,209	78.9%
Republic Airways	18,378	82.8%
PSA Airlines	14,730	81.7%
JetBlue Airways	14,533	72.6%
United Airlines	11,727	81.0%
Endeavor Air	7,318	81.1%
Envoy Air	6,425	82.4%
SkyWest Airlines	4,857	80.3%

Most Delayed Routes

Destination	On-Time
CHS → LCKColumbus, OH	63.3%
CHS → HPNWhite Plains, NY	67.6%
CHS → LAXLos Angeles, CA	69.0%
CHS → LASLas Vegas, NV	70.0%
CHS → STLSt. Louis, MO	70.2%

Most Punctual Routes

Destination	On-Time
CHS → ATLAtlanta, GA	89.4%
CHS → IADWashington, DC	84.7%
CHS → DTWDetroit, MI	84.0%
CHS → MIAMiami, FL	83.6%
CHS → BNANashville, TN	83.4%

Was your flight from Charleston, SC delayed?

You may be entitled to compensation of up to $700 per passenger for delayed or cancelled flights. Check your eligibility now.

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Data source: Bureau of Transportation Statistics (BTS) On-Time Performance dataset. Statistics are based on reported flight data from 2019-2025. See our data methodology for details.