ON TIMEBOARD

UA 4382 on time

United Airlines 4382: Chicago to Buffalo at 10:35 a.m. (past 12 months)

On time
69%
279 flights · likely 64–74%
Cancelled
2.1%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+83 min
average delay
Similar flights
65%
UA, same route & hour

About 1 in 3 UA 4382 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (31%); 2.1% were cancelled. The typical flight landed 8 minutes early.

UA 4382: ORD → BUF

Scheduled to leave Chicago at 10:35 a.m. local time, operated by GoJet as G7 4382. Over the past year it arrived on time 69% of the time (279 flights), better than other UA flights on the route at that hour (65%). Last seen in the data Aug 10, 2026.

Month by month

40%70%100%Sep 2025: 80% on time (30 flights)80SepOct 2025: 71% on time (31 flights)71OctNov 2025: 55% on time (29 flights)55NovDec 2025: 48% on time (31 flights)48DecJan 2026: too few flights (5 flights)JanFeb 2026: 53% on time (17 flights)53FebMar 2026: too few flights (7 flights)MarApr 2026: 68% on time (28 flights)68AprMay 2026: 74% on time (31 flights)74MayJun 2026: 80% on time (30 flights)80JunJul 2026: 70% on time (30 flights)70JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday4267%
Tuesday3964%
Wednesday4068%
Thursday3868%
Friday4065%
Saturday3977%
Sunday4176%

Why it was late

Late inbound plane 67%Air traffic & airport (NAS) 17%Airline (crew, maintenance, ops) 16%Severe weather 1%

All flights ORD → BUF · Connecting off UA 4382? Check the risk

Questions

How often is UA 4382 from ORD to BUF late?

United Airlines 4382 from Chicago, IL to Buffalo, NY arrived 15 or more minutes late, was diverted or was cancelled on 31% of 279 scheduled flights between September 2025 and August 2026. 2.1% 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.