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(AA) American Airlines 3645 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
82%
Late
1
6%
Very Late
0
0%
Excessive
1
6%
Cancelled
1
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
3
Codeshares
17
Average Delay (min.)
86.66666666666667
Standard Deviation
126.2
Min
0
Max
232

AA 3645 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 82%
Average Delay Time 86.66666666666667 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 38% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 86.66666666666667 min
This flight has an average delay of 86.66666666666667 minutes with a standard deviation of 126.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.

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