background

(UL) SriLankan Airlines 454 On-time Performance Rating

Date Range:

15-Jul-2018 to 15-Sep-2018

(CMB) Bandaranaike International Airport

Colombo, LK

(NRT) Narita International Airport

Tokyo, JP

On-Time Performance Chart

(using rounded numbers)
On-Time
11
31%
Late
18
51%
Very Late
3
9%
Excessive
3
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
34
Codeshares
0
Average Delay (min.)
37
Standard Deviation
66.7
Min
2
Max
328

UL 454 On-time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 31%
Average Delay Time 37 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.
On-time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 31%
This flight has an on-time performance of 31%. 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
1.4 of 5
Poor
Average Delay Time 37 min
This flight has an average delay of 37 minutes with a standard deviation of 66.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.