ON TIMEBOARD

UA 1317 on time

United Airlines 1317: Chicago to Santa Ana at 4:05 p.m. (past 12 months)

On time
68%
186 flights · likely 61–75%
Cancelled
0.5%
of scheduled flights
Typical arrival
−2 min
median vs schedule
When late
+71 min
average delay
Similar flights
68%
UA, same route & hour

About 1 in 3 UA 1317 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (32%); 0.5% were cancelled. The typical flight landed 2 minutes early.

UA 1317: ORD → SNA

Scheduled to leave Chicago at 4:05 p.m. local time. Over the past year it arrived on time 68% of the time (186 flights), in line with other UA flights on the route at that hour (68%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jan 2026: 65% on time (26 flights)65JanFeb 2026: 68% on time (28 flights)68FebMar 2026: 71% on time (31 flights)71MarApr 2026: 57% on time (30 flights)57AprMay 2026: 83% on time (29 flights)83MayJun 2026: 67% on time (21 flights)67JunAug 2026: 67% on time (21 flights)67Aug

By day of week

DayFlightsOn time
Monday2763%
Tuesday2871%
Wednesday2864%
Thursday2770%
Friday2759%
Saturday2282%
Sunday2770%

Why it was late

Late inbound plane 54%Airline (crew, maintenance, ops) 25%Air traffic & airport (NAS) 17%Severe weather 4%

All flights ORD → SNA · Connecting off UA 1317? Check the risk

Questions

How often is UA 1317 from ORD to SNA late?

United Airlines 1317 from Chicago, IL to Santa Ana, CA arrived 15 or more minutes late, was diverted or was cancelled on 32% of 186 scheduled flights between September 2025 and August 2026. 0.5% 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.