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(UA) United Airlines 4448 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-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
4
80%
Late
0
0%
Very Late
0
0%
Excessive
1
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
3
Codeshares
5
Average Delay (min.)
51
Standard Deviation
75.6
Min
0
Max
138

UA 4448 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 80%
Average Delay Time 51 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 44% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 51 min
This flight has an average delay of 51 minutes with a standard deviation of 75.6 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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