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(UA) United Airlines 4512 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(YOW) Ottawa Macdonald-Cartier International Airport

Ottawa, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
2
50%
Late
1
25%
Very Late
0
0%
Excessive
1
25%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
4
Total Delays ( > 1 min )
2
Codeshares
4
Average Delay (min.)
106
Standard Deviation
120.2
Min
0
Max
191

UA 4512 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 50%
Average Delay Time 106 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 5% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 106 min
This flight has an average delay of 106 minutes with a standard deviation of 120.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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