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(UA) United Airlines 8684 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(YTZ) Billy Bishop Toronto City Airport

Toronto, ON, CA

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
86%
Late
0
0%
Very Late
0
0%
Excessive
1
7%
Cancelled
1
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
5
Codeshares
14
Average Delay (min.)
20
Standard Deviation
24.1
Min
0
Max
63

UA 8684 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 86%
Average Delay Time 20 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 20 min
This flight has an average delay of 20 minutes with a standard deviation of 24.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.