(UA) United Airlines 4439 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(GSO) Piedmont Triad International Airport

Greensboro/High Point, NC, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)

On-Time

93%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

8.25

Standard Deviation

6.2

Min

Max

UA 4439 On-Time Performance Details

Overall Rating

4.4 of 5

Good

Percentage On-Time 93%

Average Delay Time 8.25 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.

On-Time Performance Rating

4.7 of 5

Very Good

Percentage On-Time 93%

This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.

Delay Performance

4.1 of 5

Good

Average Delay Time 8.25 min

This flight has an average delay of 8.25 minutes with a standard deviation of 6.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.