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(AA) American Airlines 521 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(MEM) Memphis International Airport

Memphis, TN, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
91%
Late
0
0%
Very Late
1
2%
Excessive
3
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
56.375
Standard Deviation
95.3
Min
0
Max
287

AA 521 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 92%
Average Delay Time 56.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 56% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 56.375 min
This flight has an average delay of 56.375 minutes with a standard deviation of 95.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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