いってらっしゃいたらしい
行ってらっしゃいたらしい
itte rasshaitarashii

Interjection
Evidential Auxiliary

Expresses appearance about a past event ("seems to have...") of いってらっしゃい

1. Seemed to have gone and returned.; Apparently went and came back.

Past/Perfective
Inferential Evidence
Usually Written in Kana