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(UA) United Airlines 3438 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-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
46
88%
Late
3
6%
Very Late
0
0%
Excessive
2
4%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
10
Codeshares
52
Average Delay (min.)
22.9
Standard Deviation
25.8
Min
0
Max
83

UA 3438 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 89%
Average Delay Time 22.9 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 84% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 22.9 min
This flight has an average delay of 22.9 minutes with a standard deviation of 25.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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