ON TIMEBOARD

UA 561 on time

United Airlines 561: Chicago to Kansas City at 12:40 p.m. (past 12 months)

On time
80%
340 flights · likely 75–84%
Cancelled
0.9%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+75 min
average delay
Similar flights
80%
UA, same route & hour

About 1 in 5 UA 561 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (20%); 0.9% were cancelled. The typical flight landed 7 minutes early.

UA 561: ORD → MCI

Scheduled to leave Chicago at 12:40 p.m. local time. Over the past year it arrived on time 80% of the time (340 flights), in line with other UA flights on the route at that hour (80%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 71% on time (31 flights)71OctNov 2025: 80% on time (30 flights)80NovDec 2025: 71% on time (17 flights)71DecJan 2026: 73% on time (26 flights)73JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 69% on time (29 flights)69MarApr 2026: 88% on time (26 flights)88AprMay 2026: 84% on time (31 flights)84MayJun 2026: 87% on time (30 flights)87JunJul 2026: 81% on time (31 flights)81JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday5084%
Tuesday5074%
Wednesday5078%
Thursday4986%
Friday4976%
Saturday4379%
Sunday4982%

Why it was late

Late inbound plane 53%Airline (crew, maintenance, ops) 28%Air traffic & airport (NAS) 15%Severe weather 4%

All flights ORD → MCI · Connecting off UA 561? Check the risk

Questions

How often is UA 561 from ORD to MCI late?

United Airlines 561 from Chicago, IL to Kansas City, MO arrived 15 or more minutes late, was diverted or was cancelled on 20% of 340 scheduled flights between September 2025 and August 2026. 0.9% 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.