(UA) United Airlines 4476 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(ROC) Frederick Douglass Greater Rochester Intl Airport

Rochester, NY, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

60%

Late

Very Late

Excessive

40%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

41.333333333333336

Standard Deviation

33.7

Min

Max

UA 4476 On-Time Performance Details

Overall Rating

1.5 of 5

Poor

Percentage On-Time 60%

Average Delay Time 41.333333333333336 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.

On-Time Performance Rating

1.1 of 5

Poor

Percentage On-Time 60%

This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.

Delay Performance

1.9 of 5

Average

Average Delay Time 41.333333333333336 min

This flight has an average delay of 41.333333333333336 minutes with a standard deviation of 33.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.