(UA) United Airlines 255 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(CLE) Cleveland Hopkins International Airport

Cleveland, OH, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

77%

Late

Very Late

Excessive

15%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

239.66666666666666

Standard Deviation

339.2

Min

Max

630

UA 255 On-Time Performance Details

Overall Rating

1.5 of 5

Poor

Percentage On-Time 77%

Average Delay Time 239.66666666666666 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 28% of all other flights in the FlightStats database.

On-Time Performance Rating

2.9 of 5

Average

Percentage On-Time 77%

This flight has an on-time performance of 77%. 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

0.0 of 5

Very Poor

Average Delay Time 239.66666666666666 min

This flight has an average delay of 239.66666666666666 minutes with a standard deviation of 339.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.