background

(UL) SriLankan Airlines 2015 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(LHR) London Heathrow Airport

London, EN, GB

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
78%
Late
1
2%
Very Late
3
7%
Excessive
4
9%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
17
Codeshares
44
Average Delay (min.)
36.76470588235294
Standard Deviation
42.5
Min
0
Max
152

UL 2015 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 80%
Average Delay Time 36.76470588235294 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 36.76470588235294 min
This flight has an average delay of 36.76470588235294 minutes with a standard deviation of 42.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.