(UA) United Airlines 604 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(CMH) John Glenn Columbus International Airport

Columbus, OH, US

On-Time Performance Chart

(using rounded numbers)

On-Time

94%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

9.333333333333334

Standard Deviation

10.2

Min

Max

UA 604 On-Time Performance Details

Overall Rating

4.3 of 5

Good

Percentage On-Time 94%

Average Delay Time 9.333333333333334 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 84% of all other flights in the FlightStats database.

On-Time Performance Rating

4.7 of 5

Very Good

Percentage On-Time 94%

This flight has an on-time performance of 94%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.

Delay Performance

3.8 of 5

Good

Average Delay Time 9.333333333333334 min

This flight has an average delay of 9.333333333333334 minutes with a standard deviation of 10.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.