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(AA) American Airlines 4991 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(FSD) Sioux Falls Regional Airport

Sioux Falls, SD, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
61%
Late
3
5%
Very Late
0
0%
Excessive
18
32%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
26
Codeshares
57
Average Delay (min.)
88.6923076923077
Standard Deviation
80.3
Min
0
Max
311

AA 4991 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 61%
Average Delay Time 88.6923076923077 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 88.6923076923077 min
This flight has an average delay of 88.6923076923077 minutes with a standard deviation of 80.3 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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