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(AA) American Airlines 4551 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
82%
Late
1
6%
Very Late
2
12%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
3
Codeshares
17
Average Delay (min.)
26
Standard Deviation
8.7
Min
0
Max
31

AA 4551 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 82%
Average Delay Time 26 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 26 min
This flight has an average delay of 26 minutes with a standard deviation of 8.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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