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(AS) Alaska Airlines 121 On-Time Performance Rating

Date Range:

01-Nov-2019 to 31-Dec-2019

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(ANC) Ted Stevens Anchorage International Airport

Anchorage, AK, US

On-Time Performance Chart

(using rounded numbers)
On-Time
54
84%
Late
5
8%
Very Late
1
2%
Excessive
2
3%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
63
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
32
Standard Deviation
76
Min
1
Max
345

AS 121 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 86%
Average Delay Time 32 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 63% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 32 min
This flight has an average delay of 32 minutes with a standard deviation of 76 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.