JAL and ANA are both Japanese airlines. Generally speaking, JAL will be better than ANA, but the price of ANA will be cheaper than JAL. There is no difference in other aspects. This is that China Southern Airlines in China is the same as Air China, and it is not clear which is better.

JL 794 pvg kix 1325 1630 767

This is a 767 aircraft.

As for which is good, it is a matter of opinion, hehe.