Originally Posted by
RaingerRain
if you purchase a cash ticket on El Al, And the first flight is operated by them, the second one is Alaska, then el al has codeshares some Alaska routes, no?
No. It does not require a codeshare.
https://en.m.wikipedia.org/wiki/Interlining
You can literally buy tickets that have AS and BR segments, as well as AS and DL segments. You do not need to codeshare to interline.