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(UA) United Airlines 4250 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(MDT) Harrisburg International Airport

Middletown, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
73%
Late
5
8%
Very Late
2
3%
Excessive
8
14%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
22
Codeshares
59
Average Delay (min.)
50.13636363636363
Standard Deviation
58
Min
0
Max
199

UA 4250 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 73%
Average Delay Time 50.13636363636363 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
1.1 of 5
Poor
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 50.13636363636363 min
This flight has an average delay of 50.13636363636363 minutes with a standard deviation of 58 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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