married segment logic

Sunday Reader Question: What are married segments?

Sunday Reader Question: What are married segments?

Sometimes when you’re searching for award space, be it on Aeroplan, United, Delta, etc., you’ll find that some seats will show as available when you search for them from origin to destination, but when you call to book the flights segment-by-segment, those flights show as unavailable. Often, this is caused by married segment logic. Today’s Sunday Reader Question is: what are married segments?