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(AA) American Airlines 4639 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(LGA) New York LaGuardia Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
42%
Late
1
4%
Very Late
1
4%
Excessive
6
25%
Cancelled
5
21%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
12
Codeshares
23
Average Delay (min.)
49.666666666666664
Standard Deviation
43.5
Min
0
Max
139

AA 4639 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 44%
Average Delay Time 49.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 44%
This flight has an on-time performance of 44%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 49.666666666666664 min
This flight has an average delay of 49.666666666666664 minutes with a standard deviation of 43.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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