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(UA) United Airlines 4478 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(YOW) Ottawa Macdonald-Cartier International Airport

Ottawa, ON, CA

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
53%
Late
4
27%
Very Late
0
0%
Excessive
3
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
11
Codeshares
15
Average Delay (min.)
61.18181818181818
Standard Deviation
89.4
Min
0
Max
278

UA 4478 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 53%
Average Delay Time 61.18181818181818 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 3% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 53%
This flight has an on-time performance of 53%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 61.18181818181818 min
This flight has an average delay of 61.18181818181818 minutes with a standard deviation of 89.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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