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(AA) American Airlines 3991 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(FSD) Sioux Falls Regional Airport

Sioux Falls, SD, US

On-Time Performance Chart

(using rounded numbers)
On-Time
2
50%
Late
1
25%
Very Late
0
0%
Excessive
1
25%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
4
Total Delays ( > 1 min )
4
Codeshares
4
Average Delay (min.)
27.5
Standard Deviation
30
Min
7
Max
71

AA 3991 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 50%
Average Delay Time 27.5 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 29% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 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 7% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 27.5 min
This flight has an average delay of 27.5 minutes with a standard deviation of 30 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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