“Arrow” will presumably return in October, airing on a new night, Thursdays at 9/8c.
“The CW has just released its fall schedule and while everything looks normal for the channel’s DC properties, including The Flash and Legends Of Tomorrow, Arrow has been moved to a new night and time slot for the first time ever. The superhero TV series has been airing on Wednesday nights at 8 P.M. since the show debuted in 2012. Now, it looks like the fresh new show, Riverdale, has taken its spot and Arrow has been moved to Thursday nights at 9 P.M. Lastly, Black Lightning is missing because it will premiere in the winter just like Legends of Tomorrow did back in 2016.”
– Antonio Ferme (moviepilot.com)