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(AA) American Airlines 4666 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
96%
Late
1
2%
Very Late
1
2%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
4
Codeshares
51
Average Delay (min.)
17.75
Standard Deviation
13.1
Min
0
Max
31

AA 4666 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 96%
Average Delay Time 17.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 96%
This flight has an on-time performance of 96%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 17.75 min
This flight has an average delay of 17.75 minutes with a standard deviation of 13.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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