1.5hr layover doable? SFO-LAX-NRT

Worried the 1hr 36min layover at LAX from SFO won’t be enough time on my way to NRT.

Booked it with miles, is this even a good deal?

Worried the 1hr 36min layover at LAX from SFO won’t be enough time on my way to NRT.

Booked it with miles, is this even a good deal?