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(AA) American Airlines 3977 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BMI) Central Illinois Regional Airport

Bloomington, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
75%
Late
1
5%
Very Late
3
15%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
9
Codeshares
19
Average Delay (min.)
17.88888888888889
Standard Deviation
12.9
Min
0
Max
37

AA 3977 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 79%
Average Delay Time 17.88888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 17.88888888888889 min
This flight has an average delay of 17.88888888888889 minutes with a standard deviation of 12.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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