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(UA) United Airlines 3599 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(PWM) Portland International Jetport

Portland, ME, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
68%
Late
1
2%
Very Late
2
3%
Excessive
10
17%
Cancelled
6
10%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
16
Codeshares
60
Average Delay (min.)
74.875
Standard Deviation
57.8
Min
0
Max
181

UA 3599 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 68%
Average Delay Time 74.875 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-Time Performance Rating
1.1 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 74.875 min
This flight has an average delay of 74.875 minutes with a standard deviation of 57.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.