UA855 LimaLIM · 00:55 HoustonIAH · 07:40
UA855 by United Airlines flies from Lima (LIM) to Houston (IAH) for the Wed, Sep 9 departure.
arrived at IAH · 23 min early
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by IAH (Houston), currently flying VFR (visual). For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How UA855 actually runs
Pro Flight Search has tracked every published board update for UA855 across the LIM and IAH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left a little late (~18 min) but landed about 9 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA855 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as LIM and IAH published them.
Planning around UA855? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — UA855 Lima to Houston on-time performance, measured from the LIM and IAH airport boards.
https://proflightsearch.com/flight/UA855
.