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(AA) American Airlines 4990 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(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
24
71%
Late
0
0%
Very Late
2
6%
Excessive
5
15%
Cancelled
2
6%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
16
Codeshares
33
Average Delay (min.)
49.375
Standard Deviation
69.9
Min
0
Max
241

AA 4990 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 73%
Average Delay Time 49.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 39% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 49.375 min
This flight has an average delay of 49.375 minutes with a standard deviation of 69.9 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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