background

(AA) American Airlines 4905 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(MSN) Dane County Regional Airport

Madison, WI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
55%
Late
1
5%
Very Late
1
5%
Excessive
6
27%
Cancelled
2
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
8
Codeshares
22
Average Delay (min.)
157.25
Standard Deviation
158.1
Min
0
Max
510

AA 4905 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 55%
Average Delay Time 157.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 55%
This flight has an on-time performance of 55%. 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
0.0 of 5
Very Poor
Average Delay Time 157.25 min
This flight has an average delay of 157.25 minutes with a standard deviation of 158.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.