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(SQ) Singapore Airlines 634 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(SIN) Singapore Changi Airport

Singapore, SG

(HND) Tokyo Haneda International Airport

Tokyo, JP

On-Time Performance Chart

(using rounded numbers)
On-Time
41
67%
Late
12
20%
Very Late
7
11%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
39
Codeshares
0
Average Delay (min.)
19.666666666666668
Standard Deviation
24.4
Min
0
Max
151

SQ 634 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 67%
Average Delay Time 19.666666666666668 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 54% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 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 14% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 19.666666666666668 min
This flight has an average delay of 19.666666666666668 minutes with a standard deviation of 24.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.