About 1 in 11 UA 6366 flights from Savannah arrived 15+ minutes late, diverted or cancelled over the past year (9%); 1.1% were cancelled. The typical flight landed 14 minutes early.
UA 6366: SAV → IAD
Scheduled to leave Savannah at 9:50 a.m. local time, operated by Mesa Airlines as YV 6366. Over the past year it arrived on time 91% of the time (278 flights), in line with other UA flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 45 | 91% |
| Tuesday | 33 | 97% |
| Wednesday | 35 | 97% |
| Thursday | 44 | 95% |
| Friday | 44 | 89% |
| Saturday | 34 | 91% |
| Sunday | 43 | 77% |
Why it was late
All flights SAV → IAD · Connecting off UA 6366? Check the risk
Questions
How often is UA 6366 from SAV to IAD late?
United Airlines 6366 from Savannah, GA to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 9% of 278 scheduled flights between September 2025 and August 2026. 1.1% 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.