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Flight Reliability

AA 4265 · American Airlines

Knoxville → Miami (TYS–MIA)82% of its flights flew this route. The rest (ECP–CLT, ORD–SYR) are included in these numbers.

96
Nerd Approved
WanderNerd Reliability Score
89%
Arrive within 15 minutes
0 min
Average arrival delay
0.4%
Cancelled
9 min early
Median arrival delay

Based on 245 historical flights. Data through May 2026.

What the data says

The 3–6 AM departure wins.

AA 4265 departing between 3–6 AM arrived on time 95% of the time, versus 87% between 6–9 AM.

Mondays have been rough.

AA 4265 arrived on time 94% of the time on Wednesdays and just 79% on Mondays. That gap is worth planning around.

Better than the TYS–MIA route average.

AA 4265 arrived on time 89% of the time, versus 81% across the TYS–MIA route.

Better than the American Airlines network average.

AA 4265 arrived on time 89% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon79%(38 flights)
  • Tue86%(35 flights)
  • Wed94%(34 flights)
  • Thu91%(33 flights)
  • Fri94%(33 flights)
  • Sat92%(36 flights)
  • Sun91%(35 flights)
On-time by departure window
  • 3–6 AM95%(83 flights)
  • 6–9 AM87%(153 flights)
  • 9 AM–12 PM—(1 flights)
  • 3–6 PM—(3 flights)
  • 6–9 PM—(4 flights)
On-time trend by month
95%
May

Jul 100% → May 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 2025100%27
November 202597%29
December 202581%31
January 202673%30
February 202682%28
March 202690%31
April 2026100%30
May 202695%20
Departures on time
94%
Diverted
0%
Flights flown
244
Months covered
11

Same route, other flights

Keep nerding

Based on 245 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.