UA4509 New YorkEWR · 12:05 GreensboroGSO
UA4509 by United Airlines flies from New York (EWR) to Greensboro (GSO) for the Thu, Oct 15 departure.
departs EWR · on schedule
board checked 64m ago · checking again in 45s
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operation0 cancelled · 14 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other New York to Greensboro flights today
same route · United AirlinesIf UA4509 is cancelled, these are the other United Airlines nonstop flights from New York to Greensboro on the same day, with scheduled departure times in EWR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA4509 actually runs
Pro Flight Search has tracked every published board update for UA4509 across the EWR and GSO boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 13 confirmed departures · 7/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA4509 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as EWR and GSO published them.
Planning around UA4509? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — UA4509 New York to Greensboro on-time performance, measured from the EWR and GSO airport boards.
https://proflightsearch.com/flight/UA4509
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