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(SQ) Singapore Airlines 4921 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(DEL) Delhi Indira Gandhi International Airport

Delhi, IN

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
31
53%
Late
16
27%
Very Late
9
15%
Excessive
2
3%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
46
Codeshares
59
Average Delay (min.)
25.043478260869566
Standard Deviation
38.2
Min
0
Max
266

SQ 4921 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 53%
Average Delay Time 25.043478260869566 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 46% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 53%
This flight has an on-time performance of 53%. 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
4.7 of 5
Very Good
Average Delay Time 25.043478260869566 min
This flight has an average delay of 25.043478260869566 minutes with a standard deviation of 38.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 93% of other flights.