ON TIMEBOARD

UA 4512 on time

United Airlines 4512: Chicago to Little Rock at 8:40 a.m. (past 12 months)

On time
77%
252 flights · likely 72–82%
Cancelled
0.4%
of scheduled flights
Typical arrival
−14 min
median vs schedule
When late
+87 min
average delay
Similar flights
74%
UA, same route & hour

About 1 in 4 UA 4512 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (23%); 0.4% were cancelled. The typical flight landed 14 minutes early.

UA 4512: ORD → LIT

Scheduled to leave Chicago at 8:40 a.m. local time, operated by GoJet as G7 4512. Over the past year it arrived on time 77% of the time (252 flights), better than other UA flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jan 2025: 81% on time (31 flights)81JanFeb 2025: 79% on time (28 flights)79FebMar 2025: 86% on time (29 flights)86MarDec 2025: too few flights (14 flights)DecJan 2026: 74% on time (31 flights)74JanFeb 2026: 81% on time (27 flights)81FebMar 2026: 77% on time (31 flights)77MarApr 2026: 65% on time (26 flights)65AprMay 2026: 74% on time (31 flights)74MayJun 2026: 73% on time (30 flights)73JunJul 2026: 81% on time (31 flights)81JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday3781%
Tuesday3686%
Wednesday3577%
Thursday3776%
Friday3768%
Saturday3382%
Sunday3773%

Why it was late

Late inbound plane 56%Airline (crew, maintenance, ops) 25%Air traffic & airport (NAS) 17%Severe weather 2%

All flights ORD → LIT · Connecting off UA 4512? Check the risk

Questions

How often is UA 4512 from ORD to LIT late?

United Airlines 4512 from Chicago, IL to Little Rock, AR arrived 15 or more minutes late, was diverted or was cancelled on 23% of 252 scheduled flights between September 2025 and August 2026. 0.4% 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.