About 1 in 5 UA 4349 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (21%); 2.7% were cancelled. The typical flight landed 6 minutes early.
UA 4349: IAD → GSO
Scheduled to leave Washington at 12:58 p.m. local time, operated by CommutAir as C5 4349. Over the past year it arrived on time 79% of the time (185 flights), in line with other UA flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 29 | 79% |
| Tuesday | 28 | 82% |
| Wednesday | 28 | 79% |
| Thursday | 30 | 80% |
| Friday | 30 | 80% |
| Saturday | 11 | — |
| Sunday | 29 | 79% |
Why it was late
All flights IAD → GSO · Connecting off UA 4349? Check the risk
Questions
How often is UA 4349 from IAD to GSO late?
United Airlines 4349 from Washington, DC to Greensboro/High Point, NC arrived 15 or more minutes late, was diverted or was cancelled on 21% of 185 scheduled flights between September 2025 and August 2026. 2.7% 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.