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(UL) SriLankan Airlines 121 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(CMB) Colombo Bandaranaike International Airport

Colombo, LK

(MAA) Chennai International Airport

Chennai, IN

On-Time Performance Chart

(using rounded numbers)
On-Time
44
76%
Late
9
16%
Very Late
0
0%
Excessive
4
7%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
34
Codeshares
0
Average Delay (min.)
22.264705882352942
Standard Deviation
37.9
Min
0
Max
197

UL 121 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 77%
Average Delay Time 22.264705882352942 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 22.264705882352942 min
This flight has an average delay of 22.264705882352942 minutes with a standard deviation of 37.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.