About 1 in 3 UA 4509 flights from Newark arrived 15+ minutes late, diverted or cancelled over the past year (38%); 5.5% were cancelled. The typical flight landed 3 minutes early.
UA 4509: EWR → GSO
Scheduled to leave Newark at 9:00 a.m. local time, operated by GoJet as G7 4509. Over the past year it arrived on time 62% of the time (182 flights), worse than other UA flights on the route at that hour (67%). Last seen in the data Aug 9, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 27 | 48% |
| Tuesday | 27 | 63% |
| Wednesday | 27 | 59% |
| Thursday | 28 | 71% |
| Friday | 28 | 68% |
| Saturday | 17 | — |
| Sunday | 28 | 61% |
Why it was late
All flights EWR → GSO · Connecting off UA 4509? Check the risk
Questions
How often is UA 4509 from EWR to GSO late?
United Airlines 4509 from Newark, NJ to Greensboro/High Point, NC arrived 15 or more minutes late, was diverted or was cancelled on 38% of 182 scheduled flights between September 2025 and August 2026. 5.5% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.