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(UA) United Airlines 4440 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-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
47
82%
Late
2
4%
Very Late
2
4%
Excessive
5
9%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
14
Codeshares
56
Average Delay (min.)
42.214285714285715
Standard Deviation
46.1
Min
0
Max
144

UA 4440 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 84%
Average Delay Time 42.214285714285715 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 42.214285714285715 min
This flight has an average delay of 42.214285714285715 minutes with a standard deviation of 46.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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