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(UA) United Airlines 8109 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
47
80%
Late
5
8%
Very Late
3
5%
Excessive
3
5%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
34
Codeshares
58
Average Delay (min.)
17.88235294117647
Standard Deviation
29
Min
0
Max
128

UA 8109 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 81%
Average Delay Time 17.88235294117647 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
3.3 of 5
Average
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 17.88235294117647 min
This flight has an average delay of 17.88235294117647 minutes with a standard deviation of 29 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.