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(UA) United Airlines 8478 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(CMH) John Glenn Columbus International Airport

Columbus, OH, US

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
39
64%
Late
7
11%
Very Late
2
3%
Excessive
6
10%
Cancelled
6
10%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
22
Codeshares
60
Average Delay (min.)
36.45454545454545
Standard Deviation
39.7
Min
0
Max
157

UA 8478 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 65%
Average Delay Time 36.45454545454545 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 36.45454545454545 min
This flight has an average delay of 36.45454545454545 minutes with a standard deviation of 39.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.