Airports › South Carolina
Airport · 12 months to July 2026
Charleston AFB/International: delays and on-time record
Charleston, South Carolina
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report. Data through July 2026; this is a monthly history, not live airport status.
Reporting carriers scheduled 24,565 domestic departures from Charleston AFB/International (CHS), Charleston, in the 12 months to July 2026: about 67 a day to 29 destinations.
77.8% of those flights left the gate less than 15 minutes late, 1.7 points above the national departure figure of 76.1%. Flights arriving at CHS were on time 74.7% of the time, 1.3 points below the national arrival figure of 76.0%.
2.3% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 18.1 min.
American Airlines is the largest reporting carrier at CHS with 21% of departures. Among carriers with at least 246 departures, Delta Air Lines had the highest on-time arrival share for its CHS departures (83.2%) and Spirit Airlines the lowest (63.3%).
On-time departures are down 1.6 points on the previous 12 months (79.4%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving CHS, late-arriving aircraft 46%, air carrier 27% and national aviation system 25%.
- On time 77.5%
- Arrived 15+ minutes late 19.8%
- Cancelled 2.3%
- Diverted 0.4%
As origin and as destination, against the nation
| Measure | Departures from CHS | Arrivals at CHS | All reported flights | CHS departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 77.8% | 74.9% | 76.1% | 79.4% |
| Arrived on time | 77.5% | 74.7% | 76.0% | 78.8% |
| Cancelled | 2.3% | 2.1% | 1.8% | 2.2% |
| Diverted | 0.4% | 0.2% | 0.3% | 0.3% |
| Average departure delay (late minutes only) | 18.1 min | 16.5 min | 17.4 min | 16.2 min |
| Arrival delay minutes per 100 flights | 1,770 | 1,635 | 1,684 | 1,605 |
| Scheduled flights | 24,565 | 24,561 | 7,043,858 | 25,105 |
12 months to July 2026. The first column follows flights that left CHS; the second follows flights that landed there. Year on year, on-time departures moved −1.6 pts.
Airlines at CHS
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| AA American Airlines | 5,125 | 21% | 79.6% | 9.0 min | 1.6% |
| DL Delta Air Lines | 4,587 | 19% | 83.2% | 3.8 min | 2.2% |
| WN Southwest Airlines | 3,640 | 15% | 77.7% | 4.9 min | 0.9% |
| UA United Airlines | 2,730 | 11% | 78.9% | 8.9 min | 1.5% |
| YX Republic Airline | 2,728 | 11% | 74.6% | 6.6 min | 4.8% |
| OH PSA Airlines | 1,831 | 7% | 69.9% | 23.4 min | 4.2% |
| B6 JetBlue Airways | 1,639 | 7% | 69.4% | 14.5 min | 3.1% |
| MQ Envoy Air | 924 | 4% | 83.0% | -0.4 min | 2.7% |
| NK Spirit Airlines | 441 | 2% | 63.3% | 16.6 min | 5.7% |
| OO SkyWest Airlines | 359 | 1% | 71.6% | 19.0 min | 2.5% |
| AS Alaska Airlines | 347 | 1% | 73.5% | 6.2 min | 0.6% |
| G4 Allegiant Air | 130 | 1% | 66.9% | 32.2 min | 0.0% |
| F9 Frontier Airlines | 84 | 0% | 70.2% | 12.2 min | 1.2% |
Departures from CHS by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 77.5%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from CHS
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| CHS–ATL | Charleston to Atlanta | 3,221 | 87.8% | -3.4 min | 1.8% |
| CHS–CLT | Charleston to Charlotte | 2,498 | 81.7% | 6.5 min | 1.8% |
| CHS–ORD | Charleston to Chicago | 2,106 | 75.0% | 8.6 min | 2.5% |
| CHS–DCA | Charleston to Washington | 1,751 | 69.0% | 23.2 min | 4.5% |
| CHS–LGA | Charleston to New York | 1,471 | 71.1% | 16.3 min | 5.7% |
| CHS–EWR | Charleston to Newark | 1,341 | 76.1% | 11.0 min | 3.6% |
| CHS–BWI | Charleston to Baltimore | 1,233 | 80.5% | 2.3 min | 1.5% |
| CHS–DFW | Charleston to Dallas/Fort Worth | 1,227 | 78.1% | 8.0 min | 2.3% |
| CHS–BOS | Charleston to Boston | 1,141 | 69.0% | 17.8 min | 2.6% |
| CHS–PHL | Charleston to Philadelphia | 1,089 | 78.1% | 9.3 min | 1.9% |
| CHS–MIA | Charleston to Miami | 1,007 | 78.4% | 12.2 min | 1.2% |
| CHS–BNA | Charleston to Nashville | 986 | 77.4% | 5.8 min | 0.6% |
| CHS–JFK | Charleston to New York | 785 | 70.2% | 11.7 min | 5.7% |
| CHS–IAD | Charleston to Washington | 758 | 83.9% | 4.6 min | 1.1% |
| CHS–DEN | Charleston to Denver | 643 | 68.3% | 14.0 min | 0.6% |
| CHS–DTW | Charleston to Detroit | 573 | 82.2% | 5.7 min | 1.4% |
| CHS–FLL | Charleston to Fort Lauderdale | 508 | 68.3% | 14.0 min | 3.0% |
| CHS–MDW | Charleston to Chicago | 370 | 80.0% | 2.7 min | 0.5% |
| CHS–DAL | Charleston to Dallas | 365 | 78.1% | 6.0 min | 0.8% |
| CHS–SEA | Charleston to Seattle | 347 | 73.5% | 6.2 min | 0.6% |
| CHS–MSP | Charleston to Minneapolis | 318 | 79.2% | 9.9 min | 1.6% |
| CHS–IAH | Charleston to Houston | 211 | 83.4% | 5.2 min | 0.5% |
| CHS–HOU | Charleston to Houston | 193 | 79.8% | -0.2 min | 0.0% |
| CHS–STL | Charleston to St. Louis | 159 | 79.2% | 6.7 min | 0.6% |
| CHS–AUS | Charleston to Austin | 126 | 71.4% | 9.5 min | 0.0% |
The 25 busiest of 29 routes with reported flights. Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 491 departures, 5 am to 6 am had the highest on-time share (93.3% of 811 flights) and 8 pm to 9 pm the lowest (62.1% of 853).
Delay causes
Cancellations by reported reason (577 in the period): air carrier 28%, weather 57%, national aviation system 15%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for CHS on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave CHS on time?
77.8% of the 24,565 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 2.3% were cancelled.
How often do flights arrive at CHS on time?
74.7% of 24,561 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at CHS?
Counting departures from CHS and whether they reached their destination on time, Delta Air Lines had the highest share (83.2% of 4,587 flights), then Envoy Air (83.0%) and American Airlines (79.6%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at CHS?
For departures from CHS that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: late-arriving aircraft 46%, air carrier 27%, national aviation system 25%, extreme weather 3%, security 0%.
What time of day has the highest on-time share at CHS?
Departures scheduled from 5 am to 6 am local time left on time 93.3% of the time, the highest of any hour with enough flights to compare; 8 pm to 9 pm was lowest at 62.1%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 77.8%, down 1.6 points on the previous 12 months (79.4%). The monthly chart shows each of the last 36 months, and each month has its own page.
Does this page show today's delays at CHS?
No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.