(UA) United Airlines 425 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(DEN) Denver International Airport

Denver, CO, US

(ONT) Ontario International Airport

Ontario, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

71%

Late

Very Late

Excessive

29%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

55.666666666666664

Standard Deviation

38.4

Min

Max

UA 425 On-Time Performance Details

Overall Rating

1.4 of 5

Poor

Percentage On-Time 71%

Average Delay Time 55.666666666666664 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 27% of all other flights in the FlightStats database.

On-Time Performance Rating

1.9 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 38% of other flights.

Delay Performance

0.9 of 5

Poor

Average Delay Time 55.666666666666664 min

This flight has an average delay of 55.666666666666664 minutes with a standard deviation of 38.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.