About 1 in 6 UA 471 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (16%); 0.6% were cancelled. The typical flight landed 10 minutes early.
UA 471: IAD → ATL
Scheduled to leave Washington at 12:35 p.m. local time. Over the past year it arrived on time 84% of the time (324 flights), in line with other UA flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 47 | 83% |
| Tuesday | 47 | 81% |
| Wednesday | 47 | 89% |
| Thursday | 46 | 85% |
| Friday | 46 | 76% |
| Saturday | 45 | 96% |
| Sunday | 46 | 78% |
Why it was late
All flights IAD → ATL · Connecting off UA 471? Check the risk
UA 471: SAT → IAD
Scheduled to leave San Antonio at 7:00 a.m. local time. Over the past year it arrived on time 94% of the time (323 flights), in line with other UA flights on the route at that hour (94%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 91% |
| Tuesday | 32 | 97% |
| Wednesday | 32 | 97% |
| Thursday | 52 | 94% |
| Friday | 52 | 92% |
| Saturday | 52 | 94% |
| Sunday | 50 | 96% |
Why it was late
All flights SAT → IAD · Connecting off UA 471? Check the risk
Questions
How often is UA 471 from IAD to ATL late?
United Airlines 471 from Washington, DC to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 16% of 324 scheduled flights between September 2025 and August 2026. 0.6% were cancelled.
How often is UA 471 from SAT to IAD late?
United Airlines 471 from San Antonio, TX to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 6% of 323 scheduled flights between September 2025 and August 2026. 0.6% 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.