About 1 in 4 UA 4849 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (27%); 4.1% were cancelled. The typical flight landed 8 minutes early.
UA 4849: IAD → GSO
Scheduled to leave Washington at 10:15 p.m. local time, operated by CommutAir as C5 4849. Over the past year it arrived on time 73% of the time (122 flights), in line with other UA flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Washington to Greensboro (91% of days). United Airlines's last IAD–GSO flight was cancelled 3.4% of the time, against 1.1% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 12:58 p.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 19 | — |
| Tuesday | 18 | — |
| Wednesday | 18 | — |
| Thursday | 18 | — |
| Friday | 17 | — |
| Saturday | 14 | — |
| Sunday | 18 | — |
Why it was late
All flights IAD → GSO · Connecting off UA 4849? Check the risk
Questions
How often is UA 4849 from IAD to GSO late?
United Airlines 4849 from Washington, DC to Greensboro/High Point, NC arrived 15 or more minutes late, was diverted or was cancelled on 27% of 122 scheduled flights between September 2025 and August 2026. 4.1% 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.