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(UA) United Airlines 4524 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(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
39
71%
Late
7
13%
Very Late
1
2%
Excessive
3
5%
Cancelled
4
7%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
22
Codeshares
54
Average Delay (min.)
29.681818181818183
Standard Deviation
53.7
Min
0
Max
255

UA 4524 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 72%
Average Delay Time 29.681818181818183 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 29.681818181818183 min
This flight has an average delay of 29.681818181818183 minutes with a standard deviation of 53.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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