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(UA) United Airlines 3643 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(PWM) Portland International Jetport

Portland, ME, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
32
86%
Late
1
3%
Very Late
1
3%
Excessive
1
3%
Cancelled
2
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
6
Codeshares
37
Average Delay (min.)
26.5
Standard Deviation
29.5
Min
0
Max
83

UA 3643 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 87%
Average Delay Time 26.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. 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
3.3 of 5
Average
Average Delay Time 26.5 min
This flight has an average delay of 26.5 minutes with a standard deviation of 29.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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