The longest lasting gum flavor is Wrigley's Extra, according to Monster10.com. Number two on the list is Trident and number three is Stride chewing gum, as of 2012.
Wrigley's Extra flavor lasts for up to 15 minutes, as of 2015. Trident brand chewing gum lasts for over 11 minutes and Stride flavor for around 9 minutes. Other chewing gum brands on the list include Ice Breakers Ice Cubes, Eclipse, Bubblicious and Bubble Yum. Some reviews say that Ice breakers Ice Cubes last for 9 minutes and others say 5 or 6. Eclipse flavor reviews report that it lasts for over 7 minutes.