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(UL) SriLankan Airlines 3511 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(DOH) Doha Hamad International Airport

Doha, QA

(JFK) New York John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
51%
Late
11
18%
Very Late
7
11%
Excessive
12
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
41
Codeshares
61
Average Delay (min.)
34.21951219512195
Standard Deviation
25.3
Min
0
Max
91

UL 3511 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 51%
Average Delay Time 34.21951219512195 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 51%
This flight has an on-time performance of 51%. 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
3.3 of 5
Average
Average Delay Time 34.21951219512195 min
This flight has an average delay of 34.21951219512195 minutes with a standard deviation of 25.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.