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(AA) American Airlines 4990 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MKE) Milwaukee Mitchell International Airport

Milwaukee, WI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
45%
Late
0
0%
Very Late
2
18%
Excessive
3
27%
Cancelled
1
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
7
Codeshares
11
Average Delay (min.)
53.714285714285715
Standard Deviation
47.7
Min
0
Max
137

AA 4990 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 46%
Average Delay Time 53.714285714285715 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 46%
This flight has an on-time performance of 46%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 53.714285714285715 min
This flight has an average delay of 53.714285714285715 minutes with a standard deviation of 47.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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