Originally Posted by
smithrh
Traveling back from SE Asia in mid-May - a paid ticket, Business (I) so not full fare J. It's a AA codeshare, operated by JAL - HKG-NRT-ORD, JAL both legs.
I have an 18 hour layover @ NRT.
Can I extend that layover another day?
Yes. You can spend a month in Tokyo if you want, all you have to do is pay the fare difference and change fee for whatever the new fare is to fly HKG-NRT and then NRT-ORD on the new flight 42 hrs later.