About 1 in 8 UA 1680 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (13%); 0.0% were cancelled. The typical flight landed 14 minutes early.
UA 1680: LAX → IAH
Scheduled to leave Los Angeles at 6:45 p.m. local time. Over the past year it arrived on time 87% of the time (167 flights), better than other UA flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Los Angeles to Houston (73% of days). United Airlines's last LAX–IAH flight was cancelled 0.3% of the time, against 0.2% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 12:51 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 32 | 94% |
| Tuesday | 9 | — |
| Wednesday | 22 | 91% |
| Thursday | 30 | 93% |
| Friday | 31 | 71% |
| Saturday | 13 | — |
| Sunday | 30 | 87% |
Why it was late
All flights LAX → IAH · Connecting off UA 1680? Check the risk
Questions
How often is UA 1680 from LAX to IAH late?
United Airlines 1680 from Los Angeles, CA to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 13% of 167 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.