background

(SQ) Singapore Airlines 8531 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(MEL) Melbourne Tullamarine Airport

Melbourne, VIC, AU

(SIN) Singapore Changi Airport

Singapore, SG

On-Time Performance Chart

(using rounded numbers)
On-Time
25
60%
Late
8
19%
Very Late
1
2%
Excessive
8
19%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
35
Codeshares
42
Average Delay (min.)
35.285714285714285
Standard Deviation
49.9
Min
0
Max
230

SQ 8531 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 60%
Average Delay Time 35.285714285714285 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 35.285714285714285 min
This flight has an average delay of 35.285714285714285 minutes with a standard deviation of 49.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.