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(AA) American Airlines 4171 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(ROC) Frederick Douglass Greater Rochester Intl Airport

Rochester, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
44
88%
Late
4
8%
Very Late
0
0%
Excessive
2
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
12
Codeshares
50
Average Delay (min.)
20.833333333333332
Standard Deviation
22.3
Min
0
Max
76

AA 4171 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 88%
Average Delay Time 20.833333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 86% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 20.833333333333332 min
This flight has an average delay of 20.833333333333332 minutes with a standard deviation of 22.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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