background

(UA) United Airlines 4509 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(GSO) Piedmont Triad International Airport

Greensboro/High Point, NC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
71%
Late
0
0%
Very Late
1
4%
Excessive
6
21%
Cancelled
0
0%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
11
Codeshares
27
Average Delay (min.)
58.54545454545455
Standard Deviation
56.7
Min
0
Max
172

UA 4509 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 74%
Average Delay Time 58.54545454545455 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 17% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 of 5
Poor
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 58.54545454545455 min
This flight has an average delay of 58.54545454545455 minutes with a standard deviation of 56.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

Other Stops for UA 4509