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(UL) SriLankan Airlines 454 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-2018

(CMB) Bandaranaike International Airport

Colombo, LK

(NRT) Narita International Airport

Tokyo, JP

On-Time Performance Chart

(using rounded numbers)
On-Time
30
86%
Late
2
6%
Very Late
1
3%
Excessive
2
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
42
Standard Deviation
70.6
Min
1
Max
229

UL 454 On-time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 86%
Average Delay Time 42 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-time Performance Rating
4.3 of 5
Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 42 min
This flight has an average delay of 42 minutes with a standard deviation of 70.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.