OnTimeRoutes
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American Airlines CHS to MIA on-time performance

American Airlines nonstop flights from Charleston to Miami · Aug 2025 – Jul 2026

On-time arrivals
79%
arrived < 15 min late
Cancelled
1.1%
10 flights
Avg arrival delay
22 min
101 min when late
Rank on route
#2 of 3
route average 80% on time

Key facts

  • American Airlines flights on CHS to MIA arrived on time 79% of the time in Aug 2025 – Jul 2026.
  • 1.1% were cancelled, and 9% arrived an hour or more late.
  • That ranks #2 of 3 airlines on this route, which averaged 80% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (61%).

On-time trend by month

50%75%100%July 2025: 70.9% on time, 2.4% cancelledJul ’25August 2025: 72.7% on time, 0.0% cancelledAug ’25September 2025: 66.7% on time, 2.9% cancelledSep ’25October 2025: 79.7% on time, 0.0% cancelledOct ’25November 2025: 86.3% on time, 0.0% cancelledNov ’25December 2025: 82.1% on time, 0.0% cancelledDec ’25January 2026: 80.5% on time, 4.9% cancelledJan ’26February 2026: 84.6% on time, 1.3% cancelledFeb ’26March 2026: 85.5% on time, 3.5% cancelledMar ’26April 2026: 76.1% on time, 0.0% cancelledApr ’26May 2026: 72.0% on time, 0.0% cancelledMay ’26June 2026: 82.5% on time, 0.0% cancelledJun ’26July 2026: 74.7% on time, 1.1% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft61%
  • Airline (crew, maintenance, cleaning, fueling)27%
  • Air traffic control & airport congestion10%
  • Extreme weather1%
  • Security0%

Other airlines on CHS to MIA

934 American Airlines flights tracked on this route; 10 cancelled, 4 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.