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(AA) American Airlines 4509 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(LGA) New York LaGuardia Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
50%
Late
5
18%
Very Late
0
0%
Excessive
5
18%
Cancelled
4
14%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
11
Codeshares
28
Average Delay (min.)
51.09090909090909
Standard Deviation
52
Min
0
Max
188

AA 4509 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 50%
Average Delay Time 51.09090909090909 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. 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
1.1 of 5
Poor
Average Delay Time 51.09090909090909 min
This flight has an average delay of 51.09090909090909 minutes with a standard deviation of 52 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

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