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(AS) Alaska Airlines 434 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
69%
Late
6
10%
Very Late
7
12%
Excessive
5
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
26
Codeshares
0
Average Delay (min.)
30.46153846153846
Standard Deviation
30.1
Min
0
Max
139

AS 434 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 69%
Average Delay Time 30.46153846153846 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 30.46153846153846 min
This flight has an average delay of 30.46153846153846 minutes with a standard deviation of 30.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.