Lee Sin Ult Leblanc Glitch [GAMEPLAY]

I don't know the odds of this re encountering as i don't really have anyone to try this with at the moment. But basically i was playing Lee Sin and I ulted Leblanc at the same time she W'd back to teleport to her original W position which caused me to teleport along with her. I didn't fly all the way to her spot either. It was just a 1 second blink and boom i'm at her W position along side of her.

Steps: 1.) Lee sin ult Leblanc while Leblanc presses w

I don't know how to replay/edit my games.