ON TIMEBOARD

UA 679 on time

United Airlines 679: Cleveland to Los Angeles at 3:42 p.m.; Los Angeles to Las Vegas at 7:20 p.m. (past 12 months). Figures below the title are for CLE → LAX, its busiest leg

On time
90%
310 flights · likely 86–93%
Cancelled
0.0%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+51 min
average delay
Similar flights
89%
UA, same route & hour

About 1 in 10 UA 679 flights from Cleveland arrived 15+ minutes late, diverted or cancelled over the past year (10%); 0.0% were cancelled. The typical flight landed 11 minutes early.

UA 679: CLE → LAX

Scheduled to leave Cleveland at 3:42 p.m. local time. Over the past year it arrived on time 90% of the time (310 flights), in line with other UA flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Cleveland to Los Angeles (75% of days). United Airlines's last CLE–LAX flight was cancelled 0.0% of the time, against 0.7% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 7:15 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 95% on time (20 flights)95SepOct 2025: 100% on time (21 flights)100OctNov 2025: 93% on time (29 flights)93NovDec 2025: 87% on time (31 flights)87DecJan 2026: 81% on time (31 flights)81JanFeb 2026: 93% on time (28 flights)93FebMar 2026: 88% on time (24 flights)88MarApr 2026: 90% on time (21 flights)90AprMay 2026: 96% on time (24 flights)96MayJun 2026: 80% on time (30 flights)80JunJul 2026: 93% on time (29 flights)93JulAug 2026: 91% on time (22 flights)91Aug

By day of week

DayFlightsOn time
Monday4992%
Tuesday3093%
Wednesday4190%
Thursday5192%
Friday5182%
Saturday3792%
Sunday5190%

Why it was late

Late inbound plane 43%Air traffic & airport (NAS) 28%Airline (crew, maintenance, ops) 15%Severe weather 13%

All flights CLE → LAX · Connecting off UA 679? Check the risk

UA 679: LAX → LAS

Scheduled to leave Los Angeles at 7:20 p.m. local time. Over the past year it arrived on time 80% of the time (263 flights), in line with other UA flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 71% on time (28 flights)71SepOct 2025: 80% on time (25 flights)80OctNov 2025: 83% on time (29 flights)83NovDec 2025: too few flights (14 flights)DecJan 2026: too few flights (5 flights)JanFeb 2026: 82% on time (17 flights)82FebMar 2026: 97% on time (29 flights)97MarApr 2026: 78% on time (18 flights)78AprMay 2026: 80% on time (30 flights)80MayJun 2026: too few flights (8 flights)JunJul 2026: 90% on time (29 flights)90JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday3778%
Tuesday2990%
Wednesday3190%
Thursday3759%
Friday4473%
Saturday4093%
Sunday4580%

Why it was late

Air traffic & airport (NAS) 55%Late inbound plane 33%Airline (crew, maintenance, ops) 11%Severe weather 1%

All flights LAX → LAS · Connecting off UA 679? Check the risk

Questions

How often is UA 679 from CLE to LAX late?

United Airlines 679 from Cleveland, OH to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 10% of 310 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is UA 679 from LAX to LAS late?

United Airlines 679 from Los Angeles, CA to Las Vegas, NV arrived 15 or more minutes late, was diverted or was cancelled on 20% of 263 scheduled flights between September 2025 and August 2026. 0.0% 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.