ON TIMEBOARD

UA 534 on time

United Airlines 534: Chicago to Newark at 6:28 p.m. (past 12 months)

On time
54%
329 flights · likely 49–59%
Cancelled
3.3%
of scheduled flights
Typical arrival
+8 min
median vs schedule
When late
+84 min
average delay
Similar flights
55%
UA, same route & hour

About 1 in 2 UA 534 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (46%); 3.3% were cancelled. The typical flight landed 8 minutes late.

UA 534: ORD → EWR

Scheduled to leave Chicago at 6:28 p.m. local time. Over the past year it arrived on time 54% of the time (329 flights), in line with other UA flights on the route at that hour (55%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: 60% on time (30 flights)60SepOct 2025: 61% on time (31 flights)61OctNov 2025: 62% on time (29 flights)62NovDec 2025: 35% on time (31 flights)35DecJan 2026: 61% on time (31 flights)61JanFeb 2026: 54% on time (28 flights)54FebMar 2026: too few flights (7 flights)MarApr 2026: 67% on time (30 flights)67AprMay 2026: 65% on time (20 flights)65MayJun 2026: 57% on time (30 flights)57JunJul 2026: 39% on time (31 flights)39JulAug 2026: 35% on time (31 flights)35Aug

By day of week

DayFlightsOn time
Monday4945%
Tuesday4854%
Wednesday4860%
Thursday4549%
Friday4667%
Saturday4652%
Sunday4751%

Why it was late

Air traffic & airport (NAS) 44%Late inbound plane 39%Airline (crew, maintenance, ops) 10%Severe weather 6%

All flights ORD → EWR · Connecting off UA 534? Check the risk

Questions

How often is UA 534 from ORD to EWR late?

United Airlines 534 from Chicago, IL to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 46% of 329 scheduled flights between September 2025 and August 2026. 3.3% 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.