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(UA) United Airlines 8563 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(YVR) Vancouver International Airport

Vancouver, BC, CA

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
44%
Late
11
19%
Very Late
4
7%
Excessive
10
18%
Cancelled
5
9%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
31
Codeshares
55
Average Delay (min.)
47.903225806451616
Standard Deviation
46.9
Min
0
Max
177

UA 8563 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 46%
Average Delay Time 47.903225806451616 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 46%
This flight has an on-time performance of 46%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 47.903225806451616 min
This flight has an average delay of 47.903225806451616 minutes with a standard deviation of 46.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.