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(AA) American Airlines 3121 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(PHL) Philadelphia International Airport

Philadelphia, PA, US

(MIA) Miami International Airport

Miami, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
27
87%
Late
1
3%
Very Late
1
3%
Excessive
2
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
31
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
34.833333333333336
Standard Deviation
29.1
Min
0
Max
76

AA 3121 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 87%
Average Delay Time 34.833333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 34.833333333333336 min
This flight has an average delay of 34.833333333333336 minutes with a standard deviation of 29.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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