ON TIMEBOARD

UA 1710 on time

United Airlines 1710: San Diego to Chicago at 10:52 a.m.; Chicago to Salt Lake City at 8:10 p.m. (past 12 months). Figures below the title are for SAN → ORD, its busiest leg

On time
78%
237 flights · likely 72–82%
Cancelled
0.8%
of scheduled flights
Typical arrival
−2 min
median vs schedule
When late
+83 min
average delay
Similar flights
79%
UA, same route & hour

About 1 in 4 UA 1710 flights from San Diego arrived 15+ minutes late, diverted or cancelled over the past year (22%); 0.8% were cancelled. The typical flight landed 2 minutes early.

UA 1710: SAN → ORD

Scheduled to leave San Diego at 10:52 a.m. local time. Over the past year it arrived on time 78% of the time (237 flights), in line with other UA flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jan 2026: 81% on time (26 flights)81JanFeb 2026: 93% on time (27 flights)93FebMar 2026: 77% on time (31 flights)77MarApr 2026: 83% on time (30 flights)83AprMay 2026: 81% on time (31 flights)81MayJun 2026: 83% on time (30 flights)83JunJul 2026: 65% on time (31 flights)65JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday3474%
Tuesday3476%
Wednesday3373%
Thursday3474%
Friday3482%
Saturday3482%
Sunday3482%

Why it was late

Air traffic & airport (NAS) 58%Late inbound plane 35%Airline (crew, maintenance, ops) 7%

All flights SAN → ORD · Connecting off UA 1710? Check the risk

UA 1710: ORD → SLC

Scheduled to leave Chicago at 8:10 p.m. local time. Over the past year it arrived on time 55% of the time (222 flights), in line with other UA flights on the route at that hour (55%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Chicago to Salt Lake City (100% of days). United Airlines's last ORD–SLC flight was cancelled 1.7% of the time, against 0.9% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 8:55 a.m. the next morning.

Month by month

40%70%100%Jan 2026: 53% on time (15 flights)53JanFeb 2026: 78% on time (23 flights)78FebMar 2026: 48% on time (31 flights)48MarApr 2026: 57% on time (30 flights)57AprMay 2026: 55% on time (31 flights)55MayJun 2026: 57% on time (30 flights)57JunJul 2026: 52% on time (31 flights)52JulAug 2026: 45% on time (31 flights)45Aug

By day of week

DayFlightsOn time
Monday3145%
Tuesday2850%
Wednesday2857%
Thursday3447%
Friday3462%
Saturday3471%
Sunday3352%

Why it was late

Late inbound plane 53%Airline (crew, maintenance, ops) 21%Severe weather 15%Air traffic & airport (NAS) 11%

All flights ORD → SLC · Connecting off UA 1710? Check the risk

Questions

How often is UA 1710 from SAN to ORD late?

United Airlines 1710 from San Diego, CA to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 22% of 237 scheduled flights between September 2025 and August 2026. 0.8% were cancelled.

How often is UA 1710 from ORD to SLC late?

United Airlines 1710 from Chicago, IL to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 45% of 222 scheduled flights between September 2025 and August 2026. 2.3% 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.