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(UA) United Airlines 4425 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(BTV) Patrick Leahy Burlington International Airport

Burlington, VT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
67%
Late
1
7%
Very Late
0
0%
Excessive
4
27%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
7
Codeshares
15
Average Delay (min.)
78
Standard Deviation
67.3
Min
0
Max
165

UA 4425 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 67%
Average Delay Time 78 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 78 min
This flight has an average delay of 78 minutes with a standard deviation of 67.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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