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(UA) United Airlines 4551 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(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
24
63%
Late
3
8%
Very Late
2
5%
Excessive
8
21%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
20
Codeshares
38
Average Delay (min.)
84.35
Standard Deviation
126.8
Min
0
Max
434

UA 4551 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 63%
Average Delay Time 84.35 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 84.35 min
This flight has an average delay of 84.35 minutes with a standard deviation of 126.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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