(UA) United Airlines 4451 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ORF) Norfolk International Airport

Norfolk, VA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

71%

Late

Very Late

Excessive

18%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

52.57142857142857

Standard Deviation

48.3

Min

Max

114

UA 4451 On-Time Performance Details

Overall Rating

1.3 of 5

Poor

Percentage On-Time 71%

Average Delay Time 52.57142857142857 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 25% of all other flights in the FlightStats database.

On-Time Performance Rating

1.7 of 5

Average

Percentage On-Time 71%

This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.

Delay Performance

0.9 of 5

Poor

Average Delay Time 52.57142857142857 min

This flight has an average delay of 52.57142857142857 minutes with a standard deviation of 48.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.