background

(SQ) Singapore Airlines 8490 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(SIN) Singapore Changi Airport

Singapore, SG

(CJU) Jeju International Airport

Jeju, KR

On-Time Performance Chart

(using rounded numbers)
On-Time
35
90%
Late
2
5%
Very Late
1
3%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
13
Codeshares
39
Average Delay (min.)
60.61538461538461
Standard Deviation
183.9
Min
0
Max
672

SQ 8490 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 90%
Average Delay Time 60.61538461538461 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 60.61538461538461 min
This flight has an average delay of 60.61538461538461 minutes with a standard deviation of 183.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.