Originally Posted by
jtchan83
I had to transfer 360K bonvoy points for 144K JMB miles (SFO--> NRT in Nov). Marriott only allows 240K per day, so had to break it up over two days. It took two days for my JMB miles to show up in my account. Availability seemed plentiful, so I wasn't too worried.
This is exactly the same experience that I had with my Bonvoy to JAL transfers a month ago.