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(UA) United Airlines 8397 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(YHZ) Halifax Stanfield International Airport

Halifax, NS, CA

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
35
57%
Late
13
21%
Very Late
3
5%
Excessive
8
13%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
42
Codeshares
61
Average Delay (min.)
28.61904761904762
Standard Deviation
37.1
Min
0
Max
203

UA 8397 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 57%
Average Delay Time 28.61904761904762 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 57%
This flight has an on-time performance of 57%. 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
4.2 of 5
Good
Average Delay Time 28.61904761904762 min
This flight has an average delay of 28.61904761904762 minutes with a standard deviation of 37.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.