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(AA) American Airlines 4666 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
52
93%
Late
3
5%
Very Late
0
0%
Excessive
0
0%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
5
Codeshares
56
Average Delay (min.)
18.8
Standard Deviation
8.4
Min
0
Max
29

AA 4666 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 93%
Average Delay Time 18.8 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 93%
This flight has an on-time performance of 93%. 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 18.8 min
This flight has an average delay of 18.8 minutes with a standard deviation of 8.4 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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