UA4509 EWR → GSO

United Airlines · Newark, NJ to Greensboro/High Point, NC · 148 flights observed, 2025-10-26 to 2026-03-28 · 445 mi

UA4509 covers more than one route in the data window — the stats below are for EWR → GSO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
68%
Median delay
-4 min
90th percentile
+103 min
Cancellation rate
3%

How often is UA4509 on time?

Across 148 flights on EWR → GSO from 2025-10-26 to 2026-03-28, UA4509 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +103 min or later. 3% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time9768%
16-30 min96%
31-60 min139%
61-120 min107%
2+ hrs1410%

Performance by month

MonthFlightsOn-timeAvg delay
2025-10560%+19 min
2025-112763%+38 min
2025-122952%+74 min
2026-012966%+14 min
2026-022588%-10 min
2026-032875%+19 min

Performance by day of week

DayFlightsOn-time
Mon2055%
Tue2171%
Wed2167%
Thu2176%
Fri2273%
Sat1765%
Sun2167%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…