Airlines at Charleston International Airport (CHS)
Charleston, South Carolina KCHS #57 US airport by passengers
Airlines operating at CHS, ranked by number of departures.
On-time performance at CHS
Based on 6,489 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.
| Airline | Departures | Late |
|---|---|---|
| American Airlines | 1,344 | 19.9% |
| Delta Air Lines | 1,223 | 17.7% |
| Southwest Airlines | 1,122 | 31.4% |
| United Airlines | 774 | 14.3% |
| PSA Airlines | 698 | 28.7% |
| Republic Airways | 561 | 16.9% |
| JetBlue Airways | 485 | 28.9% |
Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.
Airline presence
Delta and Delta Connection use Concourse A. Other airlines, including Alaska, American, JetBlue, Southwest, Spirit, United and international carriers, use Concourse B.