Originally Posted by
NoStressHere
I would also guess some missing spots are to more people have the premium credit cards and getting free A1-15 boardings. We have done that on some flights. On one flight we got a2 and a3. And there for around 6 people behind us in the A1-a15. I have to assume they bought upgrades right after we did. That would leave their spaces open as well.
That's possible, but how many people would actually use one of their free upgrades offered through the credit cards to jump from A16-20 to A1-15? Doesn't seem like much of an upgrade.