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(AS) Alaska Airlines 6571 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(PHL) Philadelphia International Airport

Philadelphia, PA, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
82%
Late
0
0%
Very Late
0
0%
Excessive
1
6%
Cancelled
2
12%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
5
Codeshares
17
Average Delay (min.)
26
Standard Deviation
49.3
Min
0
Max
114

AS 6571 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 82%
Average Delay Time 26 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-Time Performance Rating
3.9 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 79% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 26 min
This flight has an average delay of 26 minutes with a standard deviation of 49.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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