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(AA) American Airlines 3620 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
28
82%
Late
2
6%
Very Late
1
3%
Excessive
3
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
11
Codeshares
34
Average Delay (min.)
24.727272727272727
Standard Deviation
24.1
Min
0
Max
63

AA 3620 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 82%
Average Delay Time 24.727272727272727 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 70% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 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 76% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 24.727272727272727 min
This flight has an average delay of 24.727272727272727 minutes with a standard deviation of 24.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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