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(UA) United Airlines 4451 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(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
11
55%
Late
1
5%
Very Late
2
10%
Excessive
5
25%
Cancelled
0
0%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
11
Codeshares
19
Average Delay (min.)
59.54545454545455
Standard Deviation
52.1
Min
0
Max
179

UA 4451 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 58%
Average Delay Time 59.54545454545455 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 4% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 58%
This flight has an on-time performance of 58%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 59.54545454545455 min
This flight has an average delay of 59.54545454545455 minutes with a standard deviation of 52.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.