How do I align my look left and look right animation?

I have an animation that looks forward while running. I am trying to create two new ones - one that looks right and one that look left while running.

I made the neck and the head look right from frame 0 and recorded.
Then did the same but left with the look left animation.

I went on to clip the look right animation with the same start and end point as the look forward animation. The feet aligned pretty closely to the feet in the look straight animation(in the corresponding frames).
Then I tried to do the same with the left animation but the feet wouldn’t align perfectly with the look straight animation.

When I put them into a blendspace, the look right and the look straight lined up. No weird movements. Feet moved smoothly in the transition.
BUT when I look left, the feet do this weird shuffle. The look left animation had a slightly different end pose. I saw that for some reason the look left animation had a different frame rate than the lookstraight. Maybe that’s why it was messed up?

What am I doing wrong?

P.S. I’m using the editor within unreal.

Thanks!

Not a solution but I tried the same thing again and it worked. I’m looking to know how I can avoid this or why it worked.