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(UA) United Airlines 8638 On-Time Performance Rating

Date Range:

15-May-2025 to 15-Jul-2025

(YXU) London International Airport

London, ON, CA

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
24
41%
Late
14
24%
Very Late
4
7%
Excessive
4
7%
Cancelled
13
22%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
40
Codeshares
59
Average Delay (min.)
40.5
Standard Deviation
112.9
Min
0
Max
705

UA 8638 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 41%
Average Delay Time 40.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 18% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 41%
This flight has an on-time performance of 41%. 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
1.9 of 5
Average
Average Delay Time 40.5 min
This flight has an average delay of 40.5 minutes with a standard deviation of 112.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.