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(SQ) Singapore Airlines 321 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(LHR) London Heathrow Airport

London, EN, GB

(SIN) Singapore Changi Airport

Singapore, SG

On-Time Performance Chart

(using rounded numbers)
On-Time
21
35%
Late
22
37%
Very Late
11
18%
Excessive
6
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
52
Codeshares
0
Average Delay (min.)
27.134615384615383
Standard Deviation
18.8
Min
0
Max
91

SQ 321 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 35%
Average Delay Time 27.134615384615383 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 35%
This flight has an on-time performance of 35%. 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
3.8 of 5
Good
Average Delay Time 27.134615384615383 min
This flight has an average delay of 27.134615384615383 minutes with a standard deviation of 18.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.