TW839 CheongjuCJJ Jeju CityCJU · 18:05
TW839 by T'way Airlines flies from Cheongju (CJJ) to Jeju City (CJU) for the Mon, Sep 7 departure.
arrived at CJU · 4 min late
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 operationmedian arrival +4 min · 0 cancelled · 11 operations tracked
The route today
live boardsHow TW839 actually runs
Pro Flight Search has tracked every published board update for TW839 across the CJJ and CJU boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 11 confirmed landings · 8/11 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how TW839 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 CJJ and CJU published them.
Planning around TW839? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — TW839 Cheongju to Jeju City on-time performance, measured from the CJJ and CJU airport boards.
https://proflightsearch.com/flight/TW839
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