(UA) United Airlines 604 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(PWM) Portland International Jetport

Portland, ME, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)

On-Time

75%

Late

25%

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.)

15.5

Standard Deviation

2.1

Min

Max

UA 604 On-Time Performance Details

Overall Rating

3.3 of 5

Average

Percentage On-Time 75%

Average Delay Time 15.5 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% of all other flights in the FlightStats database.

On-Time Performance Rating

2.9 of 5

Average

Percentage On-Time 75%

This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.

Delay Performance

3.6 of 5

Good

Average Delay Time 15.5 min

This flight has an average delay of 15.5 minutes with a standard deviation of 2.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.