background

(SQ) Singapore Airlines 8517 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(SYD) Sydney Kingsford Smith International Airport

Sydney, NSW, AU

(SIN) Singapore Changi Airport

Singapore, SG

On-Time Performance Chart

(using rounded numbers)
On-Time
28
74%
Late
6
16%
Very Late
1
3%
Excessive
3
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
18
Codeshares
38
Average Delay (min.)
30
Standard Deviation
39.3
Min
0
Max
164

SQ 8517 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 74%
Average Delay Time 30 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 59% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 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 54% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 30 min
This flight has an average delay of 30 minutes with a standard deviation of 39.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.