background

(UA) United Airlines 8308 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
33
53%
Late
10
16%
Very Late
4
6%
Excessive
9
15%
Cancelled
5
8%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
39
Codeshares
61
Average Delay (min.)
35.30769230769231
Standard Deviation
40
Min
0
Max
191

UA 8308 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 54%
Average Delay Time 35.30769230769231 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% 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
1.4 of 5
Poor
Average Delay Time 35.30769230769231 min
This flight has an average delay of 35.30769230769231 minutes with a standard deviation of 40 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.