ON TIMEBOARD

UA 5823 on time

United Airlines 5823: Oklahoma City to Chicago at 8:45 a.m. (past 12 months)

On time
76%
343 flights · likely 72–81%
Cancelled
2.0%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+74 min
average delay
Similar flights
76%
UA, same route & hour

About 1 in 4 UA 5823 flights from Oklahoma City arrived 15+ minutes late, diverted or cancelled over the past year (24%); 2.0% were cancelled. The typical flight landed 9 minutes early.

UA 5823: OKC → ORD

Scheduled to leave Oklahoma City at 8:45 a.m. local time, operated by SkyWest as OO 5823. Over the past year it arrived on time 76% of the time (343 flights), in line with other UA flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 73% on time (30 flights)73SepOct 2025: 90% on time (31 flights)90OctNov 2025: 62% on time (29 flights)62NovDec 2025: 82% on time (17 flights)82DecJan 2026: 76% on time (25 flights)76JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 77% on time (30 flights)77MarApr 2026: 80% on time (30 flights)80AprMay 2026: 74% on time (31 flights)74MayJun 2026: 77% on time (30 flights)77JunJul 2026: 65% on time (31 flights)65JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday5072%
Tuesday4980%
Wednesday5082%
Thursday4892%
Friday4973%
Saturday4973%
Sunday4863%

Why it was late

Airline (crew, maintenance, ops) 54%Air traffic & airport (NAS) 25%Late inbound plane 13%Severe weather 8%

All flights OKC → ORD · Connecting off UA 5823? Check the risk

Questions

How often is UA 5823 from OKC to ORD late?

United Airlines 5823 from Oklahoma City, OK to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 24% of 343 scheduled flights between September 2025 and August 2026. 2.0% 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.