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(UA) United Airlines 4251 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(PVD) Rhode Island T. F. Green International Airport

Providence, RI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
32
64%
Late
4
8%
Very Late
1
2%
Excessive
9
18%
Cancelled
4
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
22
Codeshares
50
Average Delay (min.)
54.77272727272727
Standard Deviation
61.9
Min
0
Max
200

UA 4251 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 64%
Average Delay Time 54.77272727272727 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 54.77272727272727 min
This flight has an average delay of 54.77272727272727 minutes with a standard deviation of 61.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.