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(AA) American Airlines 4399 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(PHL) Philadelphia International Airport

Philadelphia, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
79%
Late
3
16%
Very Late
1
5%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
8
Codeshares
19
Average Delay (min.)
15.625
Standard Deviation
7.9
Min
0
Max
30

AA 4399 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 79%
Average Delay Time 15.625 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
2.9 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 15.625 min
This flight has an average delay of 15.625 minutes with a standard deviation of 7.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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