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(UL) SriLankan Airlines 3391 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(SYD) Sydney Kingsford Smith International Airport

Sydney, NSW, AU

(SIN) Singapore Changi Airport

Singapore, SG

On-Time Performance Chart

(using rounded numbers)
On-Time
44
71%
Late
8
13%
Very Late
2
3%
Excessive
6
10%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
36
Codeshares
61
Average Delay (min.)
36.55555555555556
Standard Deviation
68.7
Min
0
Max
364

UL 3391 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 72%
Average Delay Time 36.55555555555556 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 36% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 36.55555555555556 min
This flight has an average delay of 36.55555555555556 minutes with a standard deviation of 68.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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