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(UA) United Airlines 8456 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(DEN) Denver International Airport

Denver, CO, US

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
35
59%
Late
7
12%
Very Late
8
14%
Excessive
8
14%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
28
Codeshares
59
Average Delay (min.)
34.964285714285715
Standard Deviation
20.9
Min
0
Max
98

UA 8456 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 59%
Average Delay Time 34.964285714285715 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 20% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 59%
This flight has an on-time performance of 59%. 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
2.1 of 5
Average
Average Delay Time 34.964285714285715 min
This flight has an average delay of 34.964285714285715 minutes with a standard deviation of 20.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.