background

(SQ) Singapore Airlines 4421 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(ROT) Rotorua Airport

Rotorua, NZ

(AKL) Auckland Airport

Auckland, NZ

On-Time Performance Chart

(using rounded numbers)
On-Time
26
74%
Late
2
6%
Very Late
2
6%
Excessive
2
6%
Cancelled
3
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
17
Codeshares
35
Average Delay (min.)
20.647058823529413
Standard Deviation
27.9
Min
0
Max
114

SQ 4421 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 74%
Average Delay Time 20.647058823529413 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 68% 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
4.2 of 5
Good
Average Delay Time 20.647058823529413 min
This flight has an average delay of 20.647058823529413 minutes with a standard deviation of 27.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.

Other Stops for SQ 4421