According to Hetalia official website, Kids Station TV channel canceled the airing of "Axis Powers Hetalia". The anime will be available only online in Animate TV and Mobile Animate (mobile phone).

The airing date
Mobile Animate: January 24th (only for mobile phones)
Animate TV: January 26th, 4pm JST (January 25th, 11pm PST) *edited

The producer of Hetalia anime is now trying to find alternatives in order to provide the anime for those who don't have a broadband network environment.

Source: Hetalia Official Website

Edited on Jan 21st===========
Himaruya Hidekazu, the author of manga "Axis Powers Hetalia", thanked the fans for the encouraging emails sent from many countries: the nearest one was Taiwan and the furthest one was Argentina. He said Frontier Works, Animate and Studio DEEN will hold out to the end to air Hetalia.

The airing schedule of Animate TV online streaming has not been announced yet, but Hetalia will be shown at the Animate shops in Japan on Saturdays.

Source: himaruya's blog