Originally Posted by
LAXative
Just to follow up: The JL agents at HND definitely did not know about TWOV, and even though I brought a printout and they spent 25 minutes (

) confirming, they were still skeptical that it even existed. I kind of got the feeling that checking in as a J pax might have swung the pendulum in my favor, and if I had been in Y they would not have chanced letting me board.
When I did TWOV with DL through NRT to PVG, I was on a paid J ticket as a top tier elite. I also had the sense that the DL agents at NRT didn't think TWOV could be possible.