UA2312 San FranciscoSFO · 23:35 San JoséSJO
UA2312 by United Airlines flies from San Francisco (SFO) to San José (SJO) for the Sun, Aug 16 departure.
en route from SFO to SJO
board checked 33m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 23:34 · typical taxi-out at SFO ≈ 13 min. No receiver coverage over open ocean.
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operation0 cancelled · 14 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How UA2312 actually runs
Pro Flight Search has tracked every published board update for UA2312 across the SFO and SJO boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 14 confirmed departures · 13/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA2312 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 SFO and SJO published them.
Planning around UA2312? 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 — UA2312 San Francisco to San José on-time performance, measured from the SFO and SJO airport boards.
https://proflightsearch.com/flight/UA2312
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