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(UL) SriLankan Airlines 503 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(CMB) Colombo Bandaranaike International Airport

Colombo, LK

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
45
83%
Late
7
13%
Very Late
0
0%
Excessive
1
2%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
13.590909090909092
Standard Deviation
11.6
Min
0
Max
53

UL 503 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 83%
Average Delay Time 13.590909090909092 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 13.590909090909092 min
This flight has an average delay of 13.590909090909092 minutes with a standard deviation of 11.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 93% of other flights.