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(SQ) Singapore Airlines 8421 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(VTZ) Visakhapatnam International Airport

Vishakhapatnam, IN

(SIN) Singapore Changi Airport

Singapore, SG

On-Time Performance Chart

(using rounded numbers)
On-Time
20
67%
Late
7
23%
Very Late
2
7%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
19
Codeshares
30
Average Delay (min.)
18.36842105263158
Standard Deviation
13.9
Min
0
Max
50

SQ 8421 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 67%
Average Delay Time 18.36842105263158 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 52% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 18.36842105263158 min
This flight has an average delay of 18.36842105263158 minutes with a standard deviation of 13.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.