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(UA) United Airlines 8529 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
52
87%
Late
2
3%
Very Late
0
0%
Excessive
3
5%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
12
Codeshares
60
Average Delay (min.)
22.666666666666668
Standard Deviation
25.8
Min
0
Max
71

UA 8529 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 87%
Average Delay Time 22.666666666666668 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 86% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 22.666666666666668 min
This flight has an average delay of 22.666666666666668 minutes with a standard deviation of 25.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.