Originally Posted by
laxmillenial
IF your wife eventually wanted to fly from SFO-PDX, she could try SDC'ing the second leg every day to move it later so that she could take it days later when she needs it. This depends on fare class and availability, but I've SDC'd a LAX-SFO segment successfully for 6 days until I wanted to take it.
Good advice, but note that SDC is only free for Premier Gold and higher. Otherwise it costs $75 per change.