It definitely could. Given how 6th gen didn't introduced a whole lot of new pokemon mostly relying on mega evolutions of previous pokemon. And relatively fast speed at which Kalos saga is plowing through(3rd gym is not that far away), to fill up time before 7th gen comes out production team would have to come up with ways to prolongue Ash and his friends journey.
Unless theyre gonna pull out another DP saga dragging out Kalos for 4 years which with small amount of new pokemon to showcase, no real goals for Ash friends to pursue(Iris and Cilan had dreams and episodes to spend time on them, but Bonnie, Serena and Clemont dont have some goal to follow currently and stall things out). Or some substantial TR plot like they did in Unova not giving much material and resources to warrant journey through Kalos main saga lasting that long. Even in DP i felt 4th year should be dedicated to Johto Battle Frontier or something to fresh things up and bring more unpredictability to journey. With writers dragging things out with gym and contests by time 4th year came(like infamous gap between Snowpoint and Sunnyshore).
I have feeling they might opt to create filler type of saga like Orange Islands or Kanto BF were taking place in XY to bring required justification and reasoning for astory to continue in awaiting of new games .
Unless theyre gonna pull out another DP saga dragging out Kalos for 4 years which with small amount of new pokemon to showcase, no real goals for Ash friends to pursue(Iris and Cilan had dreams and episodes to spend time on them, but Bonnie, Serena and Clemont dont have some goal to follow currently and stall things out). Or some substantial TR plot like they did in Unova not giving much material and resources to warrant journey through Kalos main saga lasting that long. Even in DP i felt 4th year should be dedicated to Johto Battle Frontier or something to fresh things up and bring more unpredictability to journey. With writers dragging things out with gym and contests by time 4th year came(like infamous gap between Snowpoint and Sunnyshore).
I have feeling they might opt to create filler type of saga like Orange Islands or Kanto BF were taking place in XY to bring required justification and reasoning for astory to continue in awaiting of new games .