Originally Posted by
flyphilrun
If I change status mid-trip, will the reservation system allow me to reserve seats "fee-free" for the other onward sectors (after stopover) and the return trip?
Yes it will. I went from Blue to Bronze mid trip last year and was allowed to select seats for the return journey 7 days in advance. The system usually needs a couple of days to process you to the next tier so you may not be able to select seats immediately...