About 1 in 4 UA 4670 flights from Duluth arrived 15+ minutes late, diverted or cancelled over the past year (26%); 3.5% were cancelled. The typical flight landed 3 minutes early.
UA 4670: DLH → ORD
Scheduled to leave Duluth at 7:03 a.m. local time, operated by SkyWest as OO 4670. Over the past year it arrived on time 74% of the time (313 flights), in line with other UA flights on the route at that hour (72%). Last seen in the data Aug 26, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 45 | 71% |
| Tuesday | 45 | 80% |
| Wednesday | 45 | 80% |
| Thursday | 44 | 75% |
| Friday | 45 | 67% |
| Saturday | 45 | 76% |
| Sunday | 44 | 70% |
Why it was late
All flights DLH → ORD · Connecting off UA 4670? Check the risk
Questions
How often is UA 4670 from DLH to ORD late?
United Airlines 4670 from Duluth, MN to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 26% of 313 scheduled flights between September 2025 and August 2026. 3.5% 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.