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(UA) United Airlines 8331 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

(YSJ) Saint John Airport

Saint John, NB, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
21
34%
Late
11
18%
Very Late
4
6%
Excessive
15
24%
Cancelled
8
13%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
44
Codeshares
59
Average Delay (min.)
37.15909090909091
Standard Deviation
41.1
Min
0
Max
204

UA 8331 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 36%
Average Delay Time 37.15909090909091 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 36%
This flight has an on-time performance of 36%. 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
1.5 of 5
Poor
Average Delay Time 37.15909090909091 min
This flight has an average delay of 37.15909090909091 minutes with a standard deviation of 41.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.