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(SQ) Singapore Airlines 1021 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(YVR) Vancouver International Airport

Vancouver, BC, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
33
52%
Late
14
22%
Very Late
4
6%
Excessive
8
13%
Cancelled
2
3%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
34
Codeshares
61
Average Delay (min.)
40.14705882352941
Standard Deviation
45.2
Min
0
Max
205

SQ 1021 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 54%
Average Delay Time 40.14705882352941 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 54%
This flight has an on-time performance of 54%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 40.14705882352941 min
This flight has an average delay of 40.14705882352941 minutes with a standard deviation of 45.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.