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Flight Reliability

AA 400 · American Airlines

Miami → Charlotte (MIA–CLT)86% of its flights flew this route. The rest (CLT–MIA) are included in these numbers.

57
A Little Dicey
WanderNerd Reliability Score
61%
Arrive within 15 minutes
27 min
Average arrival delay
1.0%
Cancelled
2 min
Median arrival delay

Based on 192 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

AA 400 departing between 6–9 PM arrived on time 79% of the time, versus 44% between 12–3 PM.

Mondays have been rough.

AA 400 arrived on time 81% of the time on Tuesdays and just 40% on Mondays. That gap is worth planning around.

Well behind the MIA–CLT route.

AA 400 arrived on time 61% of the time, versus 78% across the MIA–CLT route.

Well behind the American Airlines network.

AA 400 arrived on time 61% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon40%(25 flights)
  • Tue81%(26 flights)
  • Wed77%(26 flights)
  • Thu66%(29 flights)
  • Fri54%(26 flights)
  • Sat69%(29 flights)
  • Sun41%(29 flights)
On-time by departure window
  • 12–3 PM44%(16 flights)
  • 3–6 PM60%(150 flights)
  • 6–9 PM79%(24 flights)
On-time trend by month
71%
May

Jun 52% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%29
July 202524%29
August 202544%16
September 202576%29
October 202574%31
April 202683%24
May 202671%31
Departures on time
58%
Diverted
0%
Flights flown
190
Months covered
8

Same route, other flights

Keep nerding

Based on 192 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.