About 1 in 8 UA 4067 flights from Louisville arrived 15+ minutes late, diverted or cancelled over the past year (13%); 1.0% were cancelled. The typical flight landed 11 minutes early.
UA 4067: SDF → IAD
Scheduled to leave Louisville at 1:48 p.m. local time, operated by Mesa Airlines as YV 4067. Over the past year it arrived on time 87% of the time (195 flights), worse than other UA flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Louisville to Washington (100% of days). United Airlines's last SDF–IAD flight was cancelled 0.8% of the time, against 0.8% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 6:00 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 29 | 86% |
| Tuesday | 28 | 82% |
| Wednesday | 28 | 82% |
| Thursday | 27 | 96% |
| Friday | 29 | 83% |
| Saturday | 26 | 88% |
| Sunday | 28 | 89% |
Why it was late
All flights SDF → IAD · Connecting off UA 4067? Check the risk
Questions
How often is UA 4067 from SDF to IAD late?
United Airlines 4067 from Louisville, KY to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 13% of 195 scheduled flights between September 2025 and August 2026. 1.0% 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.