(UA) United Airlines 1508 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

63%

Late

25%

Very Late

Excessive

13%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

78.6

Standard Deviation

142.9

Min

Max

334

UA 1508 On-Time Performance Details

Overall Rating

0.9 of 5

Poor

Percentage On-Time 63%

Average Delay Time 78.6 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.

On-Time Performance Rating

1.4 of 5

Poor

Percentage On-Time 63%

This flight has an on-time performance of 63%. 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

0.3 of 5

Very Poor

Average Delay Time 78.6 min

This flight has an average delay of 78.6 minutes with a standard deviation of 142.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.