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(UL) SriLankan Airlines 455 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(NRT) Tokyo Narita International Airport

Tokyo, JP

(CMB) Colombo Bandaranaike International Airport

Colombo, LK

On-Time Performance Chart

(using rounded numbers)
On-Time
27
73%
Late
3
8%
Very Late
2
5%
Excessive
3
8%
Cancelled
0
0%
Diverted
2
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
62.833333333333336
Standard Deviation
96
Min
0
Max
286

UL 455 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 77%
Average Delay Time 62.833333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 34% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 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 66% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 62.833333333333336 min
This flight has an average delay of 62.833333333333336 minutes with a standard deviation of 96 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.