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(SQ) Singapore Airlines 4540 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(CHC) Christchurch Airport

Christchurch, NZ

(WLG) Wellington International Airport

Wellington, NZ

On-Time Performance Chart

(using rounded numbers)
On-Time
50
85%
Late
4
7%
Very Late
1
2%
Excessive
0
0%
Cancelled
4
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
23
Codeshares
59
Average Delay (min.)
8.869565217391305
Standard Deviation
10.4
Min
0
Max
44

SQ 4540 On-Time Performance Details

Overall Rating
4.9 of 5
Very Good
Percentage On-Time 85%
Average Delay Time 8.869565217391305 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.9 shows that this flight has on-time performance characteristics better than 96% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 8.869565217391305 min
This flight has an average delay of 8.869565217391305 minutes with a standard deviation of 10.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 98% of other flights.