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(UA) United Airlines 8558 On-time Performance Rating

Date Range:

15-Apr-2018 to 15-Jun-2018

(YOW) Ottawa/Macdonald-Cartier International AirportOttawa, ON, CA
(LHR) London Heathrow AirportLondon, EN, GB
On-Time Performance Chart
(using rounded numbers)
On-Time
46
84%
Late
6
11%
Very Late
2
4%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
25
Codeshares
55
Average Delay (min.)
18
Standard Deviation
35.5
Min
1
Max
184
UA 8558 On-time Performance Details
Overall Rating
4.4 of 5
Good
Percentage On-Time 84%
Average Delay Time 18 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
4.5 of 5
Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 18 min
This flight has an average delay of 18 minutes with a standard deviation of 35.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.