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(AA) American Airlines 4509 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(BTV) Patrick Leahy Burlington International Airport

Burlington, VT, US

(PHL) Philadelphia International Airport

Philadelphia, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
32%
Late
3
11%
Very Late
2
7%
Excessive
8
29%
Cancelled
5
18%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
18
Codeshares
27
Average Delay (min.)
62.666666666666664
Standard Deviation
71.6
Min
0
Max
260

AA 4509 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 33%
Average Delay Time 62.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 1% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 33%
This flight has an on-time performance of 33%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 62.666666666666664 min
This flight has an average delay of 62.666666666666664 minutes with a standard deviation of 71.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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