SEGA has confirmed that Phantasy Star Online 2 will be delayed for unknown reasons. Originally scheduled to be released in 'early 2013', it appears the game will minimally slip to Q2 2013.
"Originally slated for an early 2013 launch, Sega can officially confirm that PS02 has been delayed," a Sega spokesperson told Polygon. "We don't have any specifics but will update everyone as soon as there are more details to share."
Read more at Polygon.