According to Weekly Shonen Jump vol.7, Togashi Yoshihiro has renewed his record of the consecutive publications of Hunter x Hunter. He has been published the manga for 21 consecutive issues since August 8th 2011. The previous record of 20 issues was accomplished from January 2010 to June 2010. The longest hiatus for 79 issues was made from February 2006 till October 2007. In 2009, the manga was published in only three issues.
Togashi said he will keep on publishing Hunter as long as possible to encourage people in the disaster area of Tohoku Earthquake.

Source: Scan of WSJ