Originally Posted by
HNLbasedFlyer
I also have experience with with checking bags on multiple itineraries - however, if the second itinerary is sold out - they can't do it (at least it has never worked for me) - it was explained to me they need to manually onload you on to the second itinerary to fake out the system to print the bag tag - but if the flight is sold out they can't manually onload you on....
This is half-correct. That is a correct description of the process that they use. However, they can force you onto a sold-out flight. They may need to work with the help desk and/or revenue management team in order to do it, but it's possible.