The longest duration suspending a Malteser in the air by blowing is 4.50 seconds, achieved by Alastair Galpin (New Zealand), in Auckland, New Zealand, on 6 December 2011.

This record was broken on the Guinness World Record Challengers site (Challengers’ tag: AlastairGalpin): http://challengers.guinnessworldrecords.com/challenges/80-longest-duration-malteser-blowing