ON TIMEBOARD

UA 5733 on time

United Airlines 5733: Chicago to Peoria at 11:30 a.m. (past 12 months)

On time
68%
244 flights · likely 62–73%
Cancelled
4.5%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+71 min
average delay
Similar flights
69%
UA, same route & hour

About 1 in 3 UA 5733 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (32%); 4.5% were cancelled. The typical flight landed 3 minutes early.

UA 5733: ORD → PIA

Scheduled to leave Chicago at 11:30 a.m. local time, operated by SkyWest as OO 5733. Over the past year it arrived on time 68% of the time (244 flights), in line with other UA flights on the route at that hour (69%). Last seen in the data Aug 10, 2026.

Month by month

40%70%100%Sep 2025: too few flights (6 flights)SepOct 2025: 70% on time (30 flights)70OctNov 2025: 60% on time (30 flights)60NovDec 2025: 47% on time (17 flights)47DecJan 2026: 69% on time (26 flights)69JanFeb 2026: 64% on time (28 flights)64FebMar 2026: 74% on time (31 flights)74MarApr 2026: 66% on time (29 flights)66AprJun 2026: too few flights (6 flights)JunJul 2026: 77% on time (31 flights)77JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday3557%
Tuesday3577%
Wednesday3577%
Thursday3569%
Friday3569%
Saturday3569%
Sunday3456%

Why it was late

Airline (crew, maintenance, ops) 35%Air traffic & airport (NAS) 30%Late inbound plane 28%Severe weather 7%

All flights ORD → PIA · Connecting off UA 5733? Check the risk

Questions

How often is UA 5733 from ORD to PIA late?

United Airlines 5733 from Chicago, IL to Peoria, IL arrived 15 or more minutes late, was diverted or was cancelled on 32% of 244 scheduled flights between September 2025 and August 2026. 4.5% 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.