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(AA) American Airlines 4391 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
73%
Late
0
0%
Very Late
1
9%
Excessive
2
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
3
Codeshares
11
Average Delay (min.)
65.66666666666667
Standard Deviation
40.5
Min
0
Max
112

AA 4391 On-Time Performance Details

Overall Rating
1.2 of 5
Poor
Percentage On-Time 73%
Average Delay Time 65.66666666666667 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.2 shows that this flight has on-time performance characteristics better than 22% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 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 34% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 65.66666666666667 min
This flight has an average delay of 65.66666666666667 minutes with a standard deviation of 40.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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