depends on how many flights would arrive at same time as yours. # F5 z, i) w2 Y& a% q! l$ n7 }" \ % z; W% W7 `$ v/ \' p" n: S" Nwhen i came back in april, the customs (not the immigration office thing) took more than 2 hours. as there were some flights delayed and the queue had more than 500 people.