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(UA) United Airlines 8397 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-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
33
54%
Late
9
15%
Very Late
8
13%
Excessive
8
13%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
41
Codeshares
61
Average Delay (min.)
39.97560975609756
Standard Deviation
61.9
Min
0
Max
360

UA 8397 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 54%
Average Delay Time 39.97560975609756 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 54%
This flight has an on-time performance of 54%. 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
1.2 of 5
Poor
Average Delay Time 39.97560975609756 min
This flight has an average delay of 39.97560975609756 minutes with a standard deviation of 61.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.