Originally Posted by
irishguy28
Why does it matter? In what way is it better to have these flights together on a single PNR? What is the benefit of booking part of the journey with miles and the rest with cash in a single transaction?
I'd say the main benefit is, in the event of a misconnection, you would presumably be accommodated on a later flight. My understanding is that in the case of a misconnect involving two separate PNR's, the carriers have no obligation to book you on a later flight.