ON TIMEBOARD

UA 609 on time

United Airlines 609: Cleveland to Chicago at 11:00 a.m. (past 12 months)

On time
84%
276 flights · likely 80–88%
Cancelled
1.1%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+102 min
average delay
Similar flights
87%
UA, same route & hour

About 1 in 6 UA 609 flights from Cleveland arrived 15+ minutes late, diverted or cancelled over the past year (16%); 1.1% were cancelled. The typical flight landed 10 minutes early.

UA 609: CLE → ORD

Scheduled to leave Cleveland at 11:00 a.m. local time. Over the past year it arrived on time 84% of the time (276 flights), in line with other UA flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: too few flights (6 flights)SepOct 2025: 94% on time (31 flights)94OctNov 2025: 71% on time (28 flights)71NovDec 2025: 87% on time (15 flights)87DecJan 2026: too few flights (5 flights)JanFeb 2026: 88% on time (17 flights)88FebMar 2026: 81% on time (27 flights)81MarApr 2026: 85% on time (26 flights)85AprMay 2026: 94% on time (31 flights)94MayJun 2026: 89% on time (28 flights)89JunJul 2026: 84% on time (31 flights)84JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday4279%
Tuesday3985%
Wednesday3992%
Thursday4190%
Friday4183%
Saturday3288%
Sunday4276%

Why it was late

Air traffic & airport (NAS) 53%Airline (crew, maintenance, ops) 24%Late inbound plane 23%Severe weather 1%

All flights CLE → ORD · Connecting off UA 609? Check the risk

Questions

How often is UA 609 from CLE to ORD late?

United Airlines 609 from Cleveland, OH to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 16% of 276 scheduled flights between September 2025 and August 2026. 1.1% 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.