ON TIMEBOARD

UA 4685 on time

United Airlines 4685: Duluth to Chicago at 3:03 p.m. (past 12 months)

On time
56%
307 flights · likely 50–61%
Cancelled
4.9%
of scheduled flights
Typical arrival
+8 min
median vs schedule
When late
+95 min
average delay
Similar flights
56%
UA, same route & hour

About 1 in 2 UA 4685 flights from Duluth arrived 15+ minutes late, diverted or cancelled over the past year (44%); 4.9% were cancelled. The typical flight landed 8 minutes late.

UA 4685: DLH → ORD

Scheduled to leave Duluth at 3:03 p.m. local time, operated by SkyWest as OO 4685. Over the past year it arrived on time 56% of the time (307 flights), in line with other UA flights on the route at that hour (56%). Last seen in the data Aug 10, 2026.

Usually United Airlines's last flight of the day from Duluth to Chicago (79% of days). United Airlines's last DLH–ORD flight was cancelled 6.0% of the time, against 4.2% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 7:04 a.m. the next morning.

Month by month

30%65%100%Sep 2025: 66% on time (29 flights)66SepOct 2025: 68% on time (28 flights)68OctNov 2025: 55% on time (29 flights)55NovDec 2025: 48% on time (31 flights)48DecJan 2026: 48% on time (31 flights)48JanFeb 2026: 64% on time (28 flights)64FebMar 2026: 54% on time (28 flights)54MarApr 2026: too few flights (1 flights)AprMay 2026: 58% on time (31 flights)58MayJun 2026: 57% on time (30 flights)57JunJul 2026: 39% on time (31 flights)39JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday4558%
Tuesday4459%
Wednesday4459%
Thursday4450%
Friday4553%
Saturday4159%
Sunday4455%

Why it was late

Late inbound plane 53%Air traffic & airport (NAS) 29%Airline (crew, maintenance, ops) 13%Severe weather 5%

All flights DLH → ORD · Connecting off UA 4685? Check the risk

Questions

How often is UA 4685 from DLH to ORD late?

United Airlines 4685 from Duluth, MN to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 44% of 307 scheduled flights between September 2025 and August 2026. 4.9% 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.