(AS) Alaska Airlines 6391 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(PHL) Philadelphia International Airport

Philadelphia, PA, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)

On-Time

81%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

28.5

Standard Deviation

25.2

Min

Max

AS 6391 On-Time Performance Details

Overall Rating

3.8 of 5

Good

Percentage On-Time 87%

Average Delay Time 28.5 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 74% of all other flights in the FlightStats database.

On-Time Performance Rating

4.4 of 5

Good

Percentage On-Time 87%

This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.

Delay Performance

3.1 of 5

Average

Average Delay Time 28.5 min

This flight has an average delay of 28.5 minutes with a standard deviation of 25.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.