it's hard to compare a new phone to a three-year-old phone because the old phone's battery has degraded, but in the two days i've had it my air is significantly better than my 14 plus, which i've never really had any complaints about.

i went to bed last night with 70% charge remaining. that included about 1.5hrs of voice calls, some texting, some doomscrolling, and a bit of youtube - a pretty normal day of phone usage for me.

Day 2 of use has been similar to my 16 Pro. Mostly music and web browsing, though with lots of screen-on time due to me tracking a flight and listening to ATC.