(UA) United Airlines 4526 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ROC) Frederick Douglass Greater Rochester Intl Airport

Rochester, NY, US

On-Time Performance Chart

(using rounded numbers)

On-Time

67%

Late

Very Late

Excessive

33%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

569

Standard Deviation

Min

Max

569

UA 4526 On-Time Performance Details

Overall Rating

0.7 of 5

Poor

Percentage On-Time 67%

Average Delay Time 569 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.

On-Time Performance Rating

1.4 of 5

Poor

Percentage On-Time 67%

This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.

Delay Performance

0.0 of 5

Very Poor

Average Delay Time 569 min

This flight has an average delay of 569 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.