background

(AS) Alaska Airlines 4351 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(PHL) Philadelphia International Airport

Philadelphia, PA, US

(GSP) Greenville-Spartanburg International Airport

Greenville, SC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
85%
Late
0
0%
Very Late
1
4%
Excessive
1
4%
Cancelled
0
0%
Diverted
2
8%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
3
Codeshares
24
Average Delay (min.)
126
Standard Deviation
190.3
Min
0
Max
345

AS 4351 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 92%
Average Delay Time 126 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 126 min
This flight has an average delay of 126 minutes with a standard deviation of 190.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

Other Stops for AS 4351