background

(AS) Alaska Airlines 5101 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(SYD) Sydney Kingsford Smith International Airport

Sydney, NSW, AU

(MEL) Melbourne Tullamarine Airport

Melbourne, VIC, AU

On-Time Performance Chart

(using rounded numbers)
On-Time
40
73%
Late
6
11%
Very Late
1
2%
Excessive
4
7%
Cancelled
3
5%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
25
Codeshares
54
Average Delay (min.)
25.44
Standard Deviation
34.4
Min
0
Max
139

AS 5101 On-Time Performance Details

Overall Rating
3.7 of 5
Good
Percentage On-Time 74%
Average Delay Time 25.44 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 72% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 25.44 min
This flight has an average delay of 25.44 minutes with a standard deviation of 34.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.