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(AA) American Airlines 4509 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(LGA) New York LaGuardia Airport

New York, NY, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
24
69%
Late
1
3%
Very Late
1
3%
Excessive
6
17%
Cancelled
1
3%
Diverted
2
6%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
9
Codeshares
33
Average Delay (min.)
111.55555555555556
Standard Deviation
142.1
Min
0
Max
424

AA 4509 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 73%
Average Delay Time 111.55555555555556 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 28% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 73%
This flight has an on-time performance of 73%. 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
0.0 of 5
Very Poor
Average Delay Time 111.55555555555556 min
This flight has an average delay of 111.55555555555556 minutes with a standard deviation of 142.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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