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(AS) Alaska Airlines 5139 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(SYD) Sydney Kingsford Smith International Airport

Sydney, NSW, AU

(ASP) Alice Springs Airport

Alice Springs, NT, AU

On-Time Performance Chart

(using rounded numbers)
On-Time
40
73%
Late
9
16%
Very Late
4
7%
Excessive
0
0%
Cancelled
0
0%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
29
Codeshares
53
Average Delay (min.)
15
Standard Deviation
11.1
Min
0
Max
39

AS 5139 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 76%
Average Delay Time 15 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 15 min
This flight has an average delay of 15 minutes with a standard deviation of 11.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.