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(UA) United Airlines 4520 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-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
13
38%
Late
2
6%
Very Late
1
3%
Excessive
8
24%
Cancelled
10
29%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
17
Codeshares
34
Average Delay (min.)
56.588235294117645
Standard Deviation
53
Min
0
Max
157

UA 4520 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 38%
Average Delay Time 56.588235294117645 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 4% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 38%
This flight has an on-time performance of 38%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 56.588235294117645 min
This flight has an average delay of 56.588235294117645 minutes with a standard deviation of 53 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

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