"Besides, Aang's going to be looking after Air Temple Island with Bumi." And Wan. Though most of the city doesn't know it, there would be two Avatars to guard them if anything goes wrong. That definitely reassures Korra, where nothing else might.

She hops from the saddle to Oogi's neck and takes a hold of the reins.

"Alright, let's go. Why don't you get some rest, Jinora? We can take turns keeping watch."