3 passengers on the reservation, two 1Ks and one no-status. It's a two-segment trip. At T-96, the first segment is full in F, the second has plenty of PZ. Do I understand correctly that nobody on this PNR will be upgraded on the second segment unless it's split? And the only way to split before check-in is to call, since the "separate traveler" button is gone from the website?