ON TIMEBOARD

UA 5668 on time

United Airlines 5668: Chicago to Milwaukee at 2:03 p.m. (past 12 months)

On time
61%
140 flights · likely 53–69%
Cancelled
2.9%
of scheduled flights
Typical arrival
+1 min
median vs schedule
When late
+94 min
average delay
Similar flights
64%
UA, same route & hour

About 1 in 3 UA 5668 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (39%); 2.9% were cancelled. The typical flight landed 1 minutes late.

UA 5668: ORD → MKE

Scheduled to leave Chicago at 2:03 p.m. local time, operated by SkyWest as OO 5668. Over the past year it arrived on time 61% of the time (140 flights), in line with other UA flights on the route at that hour (64%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 83% on time (30 flights)83AprMay 2025: 87% on time (31 flights)87MayJun 2025: 67% on time (30 flights)67JunJul 2025: 58% on time (31 flights)58JulAug 2025: 68% on time (31 flights)68AugSep 2025: 80% on time (30 flights)80SepOct 2025: 68% on time (25 flights)68OctDec 2025: too few flights (14 flights)DecJan 2026: too few flights (5 flights)JanFeb 2026: 53% on time (17 flights)53FebMar 2026: 46% on time (28 flights)46MarAug 2026: 67% on time (21 flights)67Aug

By day of week

DayFlightsOn time
Monday2070%
Tuesday19—
Wednesday19—
Thursday2171%
Friday2167%
Saturday2152%
Sunday19—

Why it was late

Airline (crew, maintenance, ops) 40%Air traffic & airport (NAS) 26%Late inbound plane 21%Severe weather 13%

All flights ORD → MKE · Connecting off UA 5668? Check the risk

Questions

How often is UA 5668 from ORD to MKE late?

United Airlines 5668 from Chicago, IL to Milwaukee, WI arrived 15 or more minutes late, was diverted or was cancelled on 39% of 140 scheduled flights between September 2025 and August 2026. 2.9% 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.