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(UA) United Airlines 6251 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
79%
Late
1
7%
Very Late
1
7%
Excessive
1
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
3
Codeshares
14
Average Delay (min.)
41
Standard Deviation
15.5
Min
0
Max
56

UA 6251 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 79%
Average Delay Time 41 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 41 min
This flight has an average delay of 41 minutes with a standard deviation of 15.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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