Route
CHS → MIA
Charleston International Airport Miami International Airport
How punctual is this route?
- On-time arrivals
- 80.1%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 107 min
- Flights arriving 15+ minutes late
- Flights tracked
- 953
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Airline (crew, maintenance, cleaning) 28%
- Air traffic control & airport 11%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.3% | 62 |
| October 2025 | 81.6% | 87 |
| November 2025 | 84.7% | 86 |
| December 2025 | 81.4% | 86 |
| January 2026 | 81.5% | 87 |
| February 2026 | 85.4% | 83 |
| March 2026 | 83.3% | 93 |
| April 2026 | 76.1% | 93 |
| May 2026 | 72.6% | 85 |
| June 2026 | 83.1% | 60 |
| July 2026 | 74.7% | 92 |
| August 2026 | 76.9% | 39 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| American Airlines | 885 | 79.6% | 1.1% | 108 min |
| Envoy Air | 53 | 90.6% | 0.0% | 88 min |
| Republic Airways | 15 | 76.9% | 13.3% | 41 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AA2543
11% late · 181 flights
-
AA1287
11% late · 153 flights
-
AA2518
28% late · 140 flights
-
AA1657
44% late · 74 flights
-
AA831
11% late · 72 flights
-
AA1955
23% late · 44 flights
-
AA1961
39% late · 44 flights
-
AA1642
24% late · 34 flights
-
MQ4247
3% late · 33 flights
-
AA1763
14% late · 29 flights
-
AA1861
41% late · 27 flights
-
AA1163
18% late · 22 flights
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