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(UA) United Airlines 8585 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(LHR) London Heathrow Airport

London, EN, GB

(YYC) Calgary International Airport

Calgary, AB, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
40
66%
Late
9
15%
Very Late
1
2%
Excessive
6
10%
Cancelled
5
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
27
Codeshares
61
Average Delay (min.)
25.59259259259259
Standard Deviation
22.9
Min
0
Max
82

UA 8585 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 66%
Average Delay Time 25.59259259259259 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 66%
This flight has an on-time performance of 66%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 25.59259259259259 min
This flight has an average delay of 25.59259259259259 minutes with a standard deviation of 22.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.