Strange policy AA has. Never heard of it either. Basically it puts AA in contradition to the ZED concept then, since you can not hop onto an AA flight at the last minute if the flight you'd wanted to go on was full, but the AA flight wasn't?
<blockquote>Actually this is not in contradiction with the ZED concept or agreement. You can run from BA to AA,for example, if you&#39;re not accommodated on the BA flight, you just have to have a pre-existing flight listing or call while you&#39;re running from check-in desk to check-in desk. This is fairly common policy. </blockquote>
You mention that SN allow ZED ticket travelers to check-in on-line. Are you certain that that includes non-SN staff? I&#39;ve not heard of any airline that permits OAL emloyees holding ZED/standby tickets to check-in on-line. Many permit that for their own staff but not interliners ... yet.