About 1 in 4 UA 3981 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (23%); 1.6% were cancelled. The typical flight landed 9 minutes early.
UA 3981: IAD → SAV
Scheduled to leave Washington at 5:20 p.m. local time, operated by Mesa Airlines as YV 3981. Over the past year it arrived on time 77% of the time (306 flights), in line with other UA flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Washington to Savannah (83% of days). United Airlines's last IAD–SAV flight was cancelled 1.4% of the time, against 0.7% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 9:00 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 45 | 80% |
| Tuesday | 44 | 75% |
| Wednesday | 44 | 84% |
| Thursday | 43 | 81% |
| Friday | 44 | 66% |
| Saturday | 41 | 78% |
| Sunday | 45 | 76% |
Why it was late
All flights IAD → SAV · Connecting off UA 3981? Check the risk
Questions
How often is UA 3981 from IAD to SAV late?
United Airlines 3981 from Washington, DC to Savannah, GA arrived 15 or more minutes late, was diverted or was cancelled on 23% of 306 scheduled flights between September 2025 and August 2026. 1.6% 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.