ORIGIN AIRPORT REPORT
CHS
Charleston, SC (CHS) departure reliability
Of 24,724 scheduled reportable flights departing CHS, 77.6% arrived on time, 13.5% arrived at least 30 minutes late, and 2.3% were cancelled during July 2025–June 2026.
Source: U.S. Bureau of Transportation Statistics · Origin-airport cohort · Updated September 16, 2026
HISTORICAL ROUTE SIGNALGenerally reliable
77.6%arrived on time
13.5%30+ min late
2.3%cancelled
24,724scheduled flights
MOST-FLOWN DIRECTIONS
ALL ROUTES →Which route from CHS had the largest sample?
CHS to ATL was CHS's largest published route sample, with 3,213 scheduled flights and a 88.5% on-time rate during July 2025–June 2026.
CHS→ATLCharleston, SC (CHS) to Atlanta, GA (ATL)3,213 flights analyzedGenerally reliable88.5%on timeCHS→CLTCharleston, SC (CHS) to Charlotte, NC (CLT)2,534 flights analyzedGenerally reliable82.2%on timeCHS→ORDCharleston, SC (CHS) to Chicago, IL (ORD)2,091 flights analyzedVariable74.1%on timeCHS→DCACharleston, SC (CHS) to Washington, DC (DCA)1,755 flights analyzedHigher disruption68.7%on timeCHS→LGACharleston, SC (CHS) to New York, NY (LGA)1,440 flights analyzedHigher disruption70.6%on timeCHS→EWRCharleston, SC (CHS) to Newark, NJ (EWR)1,362 flights analyzedVariable75.7%on timeCHS→DFWCharleston, SC (CHS) to Dallas/Fort Worth, TX (DFW)1,250 flights analyzedVariable77.8%on timeCHS→BWICharleston, SC (CHS) to Baltimore, MD (BWI)1,240 flights analyzedGenerally reliable80.0%on timeCHS→BOSCharleston, SC (CHS) to Boston, MA (BOS)1,131 flights analyzedVariable69.8%on timeCHS→PHLCharleston, SC (CHS) to Philadelphia, PA (PHL)1,109 flights analyzedGenerally reliable77.2%on timeCHS→MIACharleston, SC (CHS) to Miami, FL (MIA)1,007 flights analyzedGenerally reliable78.0%on timeCHS→BNACharleston, SC (CHS) to Nashville, TN (BNA)989 flights analyzedGenerally reliable78.9%on timeCHS→JFKCharleston, SC (CHS) to New York, NY (JFK)785 flights analyzedHigher disruption70.1%on timeCHS→IADCharleston, SC (CHS) to Washington, DC (IAD)759 flights analyzedLower disruption83.5%on timeCHS→DTWCharleston, SC (CHS) to Detroit, MI (DTW)655 flights analyzedLower disruption82.4%on time
Which airline was most reliable departing CHS?
Among qualifying CHS airline departure results, Delta Air Lines had the highest on-time rate: 83.9% of 4,600 flights. Spirit Airlines was lowest at 64.6% across 497 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| American Airlines | 5,136 | 78.8% | 13.5% | 1.8% |
| Delta Air Lines | 4,600 | 83.9% | 10.1% | 1.9% |
| Southwest Airlines | 3,640 | 78.3% | 11.2% | 0.9% |
| Republic Airways | 2,759 | 74.1% | 14.6% | 4.7% |
| United Airlines | 2,667 | 79.0% | 12.4% | 1.5% |
| PSA Airlines | 1,823 | 70.5% | 18.8% | 4.6% |
| JetBlue Airways | 1,628 | 70.6% | 19.6% | 2.6% |
| Envoy Air | 981 | 82.5% | 9.1% | 2.5% |
| Spirit Airlines | 497 | 64.6% | 22.9% | 5.4% |
| SkyWest Airlines | 416 | 71.9% | 19.0% | 2.4% |
| Alaska Airlines | 347 | 70.6% | 12.4% | 0.9% |
| Allegiant Air | 138 | 67.4% | 26.1% | 0.0% |
| Frontier Airlines | 92 | 69.6% | 20.7% | 1.1% |
Origin report, not airport-wide operations.
These figures summarize the reported scheduled passenger flights in the dataset, not every flight or every airport process.