dumbell2424 From United States of America, joined Apr 2009, 975 posts, RR: 2
Reply 4, posted (8 months 3 weeks 3 days 21 hours ago) and read 613 times:
Quoting cipango (Reply 2): Don't know how a sold out flight can have available seats on the seat map but thats how it is.
Easy. Someone is ticketed, but has no seat assignment. Can happen for any number of reasons; codeshare issues with seating, someone holding out for an aisle or window if only middles are available, someone forgot to pick a seat, etc