ON TIMEBOARD

UA 546 on time

United Airlines 546: Newark to Chicago at 7:45 p.m. (past 12 months)

On time
64%
329 flights · likely 58–69%
Cancelled
4.3%
of scheduled flights
Typical arrival
+1 min
median vs schedule
When late
+102 min
average delay
Similar flights
61%
UA, same route & hour

About 1 in 3 UA 546 flights from Newark arrived 15+ minutes late, diverted or cancelled over the past year (36%); 4.3% were cancelled. The typical flight landed 1 minutes late.

UA 546: EWR → ORD

Scheduled to leave Newark at 7:45 p.m. local time. Over the past year it arrived on time 64% of the time (329 flights), in line with other UA flights on the route at that hour (61%). Last seen in the data Aug 31, 2026.

Month by month

20%60%100%Sep 2025: 85% on time (26 flights)85SepOct 2025: 52% on time (31 flights)52OctNov 2025: 72% on time (29 flights)72NovDec 2025: 60% on time (15 flights)60DecJan 2026: 76% on time (21 flights)76JanFeb 2026: 75% on time (24 flights)75FebMar 2026: 68% on time (31 flights)68MarApr 2026: 70% on time (30 flights)70AprMay 2026: 77% on time (31 flights)77MayJun 2026: 57% on time (30 flights)57JunJul 2026: 33% on time (30 flights)33JulAug 2026: 45% on time (31 flights)45Aug

By day of week

DayFlightsOn time
Monday5058%
Tuesday5076%
Wednesday5070%
Thursday4854%
Friday4967%
Saturday3468%
Sunday4852%

Why it was late

Late inbound plane 45%Air traffic & airport (NAS) 41%Airline (crew, maintenance, ops) 12%Severe weather 2%

All flights EWR → ORD · Connecting off UA 546? Check the risk

Questions

How often is UA 546 from EWR to ORD late?

United Airlines 546 from Newark, NJ to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 36% of 329 scheduled flights between September 2025 and August 2026. 4.3% 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.