Route · CHS → MIA · 2020–2025 BTS data
Charleston to Miami
The CHS–MIA corridor (Charleston, SC → Miami, FL) runs ahead of the national average, served by 12 carriers across roughly 489 miles.
Data updated 2026-06-13
- 84.2%
- On-time
- +5.2 pts
- vs US avg
- 90 min
- Delay when late
- 4,310
- Flights
Cancelled
1.8%
Best Month
Oct 2024 92%
Worst Month
Feb 2024 64%
Distance
489 mi
Carriers
12
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 86 | 16 | 0 | 0 | YX,AA |
| Nov 2025 | 86 | 13 | 1 | 0 | MQ,AA,YX |
| Oct 2025 | 87 | 16 | 0 | 0 | AA,MQ |
| Sep 2025 | 62 | 12 | 1 | 0 | MQ,AA |
| Aug 2025 | 93 | 25 | 0 | 0 | AA,MQ |
| Jul 2025 | 92 | 25 | 2 | 1 | AA,MQ |
| Jun 2025 | 90 | 16 | 0 | 0 | AA,MQ |
| May 2025 | 92 | 19 | 1 | 0 | AA |
| Apr 2025 | 87 | 22 | 2 | 0 | AA |
| Mar 2025 | 62 | 13 | 0 | 0 | AA |
| Feb 2025 | 56 | 11 | 1 | 0 | AA |
| Jan 2025 | 62 | 7 | 5 | 0 | AA,MQ |
| Dec 2024 | 64 | 15 | 0 | 0 | AA,MQ |
| Nov 2024 | 58 | 5 | 0 | 0 | MQ,AA |
| Oct 2024 | 61 | 5 | 2 | 0 | MQ,YX,AA |
| Sep 2024 | 59 | 9 | 0 | 0 | YX,AA,MQ |
| Aug 2024 | 61 | 12 | 7 | 1 | AA,MQ |
| Jul 2024 | 62 | 16 | 1 | 0 | AA,MQ |
| Jun 2024 | 64 | 12 | 3 | 0 | AA,MQ |
| May 2024 | 93 | 21 | 0 | 0 | AA,MQ |
| Apr 2024 | 86 | 13 | 0 | 0 | AA,MQ |
| Mar 2024 | 62 | 16 | 4 | 0 | AA |
| Feb 2024 | 58 | 21 | 0 | 0 | AA,MQ |
| Jan 2024 | 62 | 19 | 1 | 0 | AA,MQ |
Cancellation Rate
1.8%
31 of 1,745 flights
Diversion Rate
0.1%
2 of 1,745 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CHS - Charleston
Full on-time, delay-cause, and seasonal performance for Charleston, SC.
Origin airport →MIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
Destination airport →Compare the two airports
See CHS and MIA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to CHS–MIA.
Routes with a similar on-time rate
What the Data Says About CHS to MIA
Bureau of Transportation Statistics records show Charleston to Miami (CHS to MIA) running a 84.2% on-time rate over 4,310 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 90.0 minutes. The 489-mile corridor is served by 12 carriers, and over the last 24 months 1.8% of 1,745 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 92% on-time, while Feb 2024 came in at just 64% - a 28-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from CHS to MIA? ▼
What is the cancellation rate for CHS to MIA? ▼
How far is the flight from CHS to MIA? ▼
When is the best time to fly from CHS to MIA? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.