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(UL) SriLankan Airlines 455 On-time Performance Rating

Date Range:

15-Jul-2018 to 15-Sep-2018

(NRT) Narita International Airport

Tokyo, JP

(CMB) Bandaranaike International Airport

Colombo, LK

On-Time Performance Chart

(using rounded numbers)
On-Time
31
89%
Late
1
3%
Very Late
0
0%
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 )
6
Codeshares
0
Average Delay (min.)
49
Standard Deviation
46.7
Min
13
Max
137

UL 455 On-time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 89%
Average Delay Time 49 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 59% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 49 min
This flight has an average delay of 49 minutes with a standard deviation of 46.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.