ON TIMEBOARD

UA 2301 on time

United Airlines 2301: Chicago to Newark at 9:15 a.m. (past 12 months)

On time
75%
310 flights · likely 70–80%
Cancelled
1.6%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+94 min
average delay
Similar flights
76%
UA, same route & hour

About 1 in 4 UA 2301 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (25%); 1.6% were cancelled. The typical flight landed 9 minutes early.

UA 2301: ORD → EWR

Scheduled to leave Chicago at 9:15 a.m. local time. Over the past year it arrived on time 75% of the time (310 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%Oct 2025: too few flights (6 flights)OctNov 2025: 63% on time (30 flights)63NovDec 2025: 68% on time (31 flights)68DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 74% on time (31 flights)74MarApr 2026: 73% on time (30 flights)73AprMay 2026: 84% on time (31 flights)84MayJun 2026: 83% on time (30 flights)83JunJul 2026: 71% on time (31 flights)71JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday4573%
Tuesday4477%
Wednesday4480%
Thursday4477%
Friday4475%
Saturday4480%
Sunday4567%

Why it was late

Airline (crew, maintenance, ops) 43%Late inbound plane 34%Air traffic & airport (NAS) 23%Severe weather 1%

All flights ORD → EWR · Connecting off UA 2301? Check the risk

Questions

How often is UA 2301 from ORD to EWR late?

United Airlines 2301 from Chicago, IL to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 25% of 310 scheduled flights between September 2025 and August 2026. 1.6% 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.