About 1 in 5 UA 5071 flights from Sioux City arrived 15+ minutes late, diverted or cancelled over the past year (22%); 1.4% were cancelled. The typical flight landed 6 minutes early.
UA 5071: SUX → ORD
Scheduled to leave Sioux City at 7:50 a.m. local time, operated by SkyWest as OO 5071. Over the past year it arrived on time 78% of the time (208 flights), better than other UA flights on the route at that hour (74%). Last seen in the data Aug 10, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 30 | 77% |
| Tuesday | 29 | 86% |
| Wednesday | 29 | 76% |
| Thursday | 30 | 90% |
| Friday | 30 | 73% |
| Saturday | 30 | 70% |
| Sunday | 30 | 77% |
Why it was late
All flights SUX → ORD · Connecting off UA 5071? Check the risk
Questions
How often is UA 5071 from SUX to ORD late?
United Airlines 5071 from Sioux City, IA to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 22% of 208 scheduled flights between September 2025 and August 2026. 1.4% 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.