Charleston, SC · Airport profile
CHS
Charleston International Airport
CHS right now
Current operating conditions, from live sources only.
FlyerIntel does not currently have live operational data for this airport.
FAA operational data is not currently available to FlyerIntel. Why
No current observation is available for this airport.
Security wait data is not currently available for CHS. Why
Parking data is not currently available for CHS. Why
FlyerIntel shows live values only where a permitted source provides them. Sections without data are left empty rather than estimated.
Airport reliability
Best time to fly from CHS
On-time arrival rate by scheduled local departure time.
Flights departing 5–9 AM arrived on time 90.9% of the time, against 69.3% for 9 PM–5 AM departures — a gap of 21.6 percentage points.
By departure window
By departure hour
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026 · Buckets with fewer than 120 flights are not scored.
What to expect at CHS
How busy the airport is through the day, from scheduled departure volume.
Scheduled departures by hour
The busiest hour is 6 AM, with about 8 departures a day, against roughly 0 at 9 PM. Counterintuitively, that peak is also more punctual than a typical hour here — early banks fly aircraft that have been on the ground overnight rather than ones inheriting the day’s delays.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026 · Taxi-out is the time between leaving the gate and lifting off, averaged across departures and weighted by hour.
Weekly and seasonal patterns
By day of week
Tuesday is historically the most reliable day and Sunday the least, a gap of 6.0 percentage points.
By month
July is historically the weakest month and November the strongest, a spread of 13.6 percentage points.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026
Airlines at CHS
Departure performance by operating carrier. Regional flights are reported by the carrier that operated them, not by the mainline brand.
| Carrier | Departures | On time | Cancelled | Median delay |
|---|---|---|---|---|
| American Airlines AA | 14,700 | 79.5% | 1.80% | -7 min |
| Delta Air Lines DL | 12,427 | 85.3% | 1.50% | -10 min |
| Southwest Airlines WN | 10,775 | 81.5% | 0.86% | -5 min |
| United Airlines UA | 7,429 | 83.0% | 1.60% | -8 min |
| Republic Airways YX | 7,193 | 82.7% | 3.39% | -9 min |
| PSA Airlines OH | 5,558 | 77.7% | 3.81% | -8 min |
| JetBlue B6 | 5,493 | 73.2% | 1.98% | -5 min |
| Endeavor Air 9E | 2,967 | 86.3% | 3.98% | -11 min |
| Spirit Airlines NK | 2,847 | 75.2% | 3.20% | -7 min |
| Envoy Air MQ | 2,675 | 82.3% | 1.79% | -8 min |
| SkyWest Airlines OO | 1,231 | 76.1% | 1.62% | -4 min |
| Alaska Airlines AS | 1,047 | 76.5% | 1.34% | -3 min |
| Allegiant Air G4 | 507 | 72.3% | 1.78% | -1 min |
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026 · Carriers with fewer than 500 departures are not listed.
Routes from CHS
Ranked by FlyerIntel Route Reliability Score.
Busiest routes
| Destination | Flights | On time | Score |
|---|---|---|---|
| CHS → ATL Atlanta | 8,875 | 88.3% | 80 |
| CHS → CLT Charlotte | 8,048 | 82.0% | 65 |
| CHS → DCA Washington | 5,369 | 76.4% | 42 |
| CHS → ORD Chicago | 4,926 | 81.5% | 68 |
| CHS → LGA New York | 4,313 | 80.6% | 48 |
| CHS → EWR Newark | 4,278 | 82.4% | 56 |
| CHS → PHL Philadelphia | 3,946 | 78.7% | 56 |
| CHS → JFK New York | 3,736 | 79.1% | 49 |
| CHS → BWI Baltimore | 3,673 | 82.9% | 77 |
| CHS → DFW Dallas–Fort Worth | 3,672 | 78.3% | 54 |
| CHS → BOS Boston | 3,573 | 72.3% | 44 |
| CHS → MIA Miami | 2,614 | 79.5% | 59 |
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026 · Only routes with at least 750 flights are ranked.
Reliability over time
On-time arrival rate for departures, by month.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026
Data and sources
Historical statistics
Every historical figure on this page is calculated by FlyerIntel from US DOT Bureau of Transportation Statistics on-time performance records covering July 2023 – June 2026, comprising 75,226 departures from CHS. A flight counts as delayed when it arrives 15 or more minutes after schedule.
Live conditions
Aviation weather comes from the NOAA Aviation Weather Center. Operational events come from the FAA where available. FlyerIntel shows the age of every live value and does not display data it cannot currently retrieve.