(UA) United Airlines 3438 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(PWM) Portland International Jetport

Portland, ME, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

90%

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.)

6.75

Standard Deviation

6.4

Min

Max

UA 3438 On-Time Performance Details

Overall Rating

4.5 of 5

Good

Percentage On-Time 90%

Average Delay Time 6.75 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 89% of all other flights in the FlightStats database.

On-Time Performance Rating

4.8 of 5

Very Good

Percentage On-Time 90%

This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.

Delay Performance

4.2 of 5

Good

Average Delay Time 6.75 min

This flight has an average delay of 6.75 minutes with a standard deviation of 6.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.