Also, the airport (CGK) first closed due to ash last night, but the timing for reopening has now been pushed back three times today. Currently forecast to reopen 1730 local time in Jakarta. (they’re Z+7)
Winds are from the south east so the ash cloud should be moving to the NW and affecting Sumatra area.
This all explains why our flight Per/Sin flight on Saturday morning was on such a strange route. The FA said the change was due to a volcano but didn't specify which one
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