User blog comment:FairyRaven/Fairy Tail Chapter 421: Wendy and Chelia, Review and Commentary/@comment-203.215.121.237-20150223133248/@comment-7418318-20150223134005

Take away the timeskip and Lucy was in Fairy Tail six month at the beginning of the GMG and Wendy was in Fairy Tail even shorter, so yes Wendy was indeed in Lamia Scale longer than in Fairy Tail. More than twice as long as a matter of fact.