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(UA) United Airlines 4478 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(ROC) Frederick Douglass Greater Rochester Intl Airport

Rochester, NY, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
75%
Late
3
13%
Very Late
2
8%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
11
Codeshares
24
Average Delay (min.)
21.09090909090909
Standard Deviation
19.7
Min
0
Max
65

UA 4478 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 75%
Average Delay Time 21.09090909090909 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 65% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 21.09090909090909 min
This flight has an average delay of 21.09090909090909 minutes with a standard deviation of 19.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.