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(UL) SriLankan Airlines 3521 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(DOH) Doha Hamad International Airport

Doha, QA

(MAN) Manchester Airport

Manchester, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
38
69%
Late
12
22%
Very Late
4
7%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
37
Codeshares
55
Average Delay (min.)
16.7027027027027
Standard Deviation
13.3
Min
0
Max
62

UL 3521 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 69%
Average Delay Time 16.7027027027027 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 63% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 16.7027027027027 min
This flight has an average delay of 16.7027027027027 minutes with a standard deviation of 13.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 98% of other flights.