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(SQ) Singapore Airlines 991 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(KNO) Kuala Namu International Airport

Kuala Namu, ID

(SIN) Singapore Changi Airport

Singapore, SG

On-Time Performance Chart

(using rounded numbers)
On-Time
47
77%
Late
11
18%
Very Late
0
0%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
26
Codeshares
0
Average Delay (min.)
22.307692307692307
Standard Deviation
32.3
Min
0
Max
168

SQ 991 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 77%
Average Delay Time 22.307692307692307 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 22.307692307692307 min
This flight has an average delay of 22.307692307692307 minutes with a standard deviation of 32.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.