Originally Posted by
SanDiego1K
No. While I have an international flight, it is on a Star carrier and was not discussed with BA when I did the JAL domestic booking.
I think you had an error in your favour.
Even JL's own scheme does not allow people to book a domestic flight until 9:30am (Japan time) 2 months before the date of the flight, except that the return leg can be booked 2 months and 15 days in advance.