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(UA) United Airlines 4250 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-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
37
62%
Late
4
7%
Very Late
1
2%
Excessive
13
22%
Cancelled
5
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
29
Codeshares
60
Average Delay (min.)
55.206896551724135
Standard Deviation
58.9
Min
0
Max
197

UA 4250 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 62%
Average Delay Time 55.206896551724135 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
0.3 of 5
Very Poor
Percentage On-Time 62%
This flight has an on-time performance of 62%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 55.206896551724135 min
This flight has an average delay of 55.206896551724135 minutes with a standard deviation of 58.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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