ON TIMEBOARD

UA 1363 on time

United Airlines 1363: Chicago to Los Angeles at 1:00 p.m. (past 12 months)

On time
81%
328 flights · likely 77–85%
Cancelled
0.3%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+98 min
average delay
Similar flights
83%
UA, same route & hour

About 1 in 5 UA 1363 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (19%); 0.3% were cancelled. The typical flight landed 8 minutes early.

UA 1363: ORD → LAX

Scheduled to leave Chicago at 1:00 p.m. local time. Over the past year it arrived on time 81% of the time (328 flights), in line with other UA flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 90% on time (31 flights)90AugSep 2025: 90% on time (30 flights)90SepOct 2025: 100% on time (25 flights)100OctDec 2025: 63% on time (30 flights)63DecJan 2026: 68% on time (31 flights)68JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 81% on time (31 flights)81MarApr 2026: 77% on time (30 flights)77AprMay 2026: 90% on time (31 flights)90MayJun 2026: 87% on time (30 flights)87JunJul 2026: 90% on time (31 flights)90JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday4772%
Tuesday4779%
Wednesday4789%
Thursday4791%
Friday4777%
Saturday4785%
Sunday4676%

Why it was late

Airline (crew, maintenance, ops) 37%Late inbound plane 37%Severe weather 14%Air traffic & airport (NAS) 12%

All flights ORD → LAX · Connecting off UA 1363? Check the risk

Questions

How often is UA 1363 from ORD to LAX late?

United Airlines 1363 from Chicago, IL to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 19% of 328 scheduled flights between September 2025 and August 2026. 0.3% 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.