There are priority queues at least with Delta to a point.
- people needing extra time
- military
And then they are call by Zones
- 1st class boards first sho are at the front of the plane (Zone 1)
I think zone 2 is Diamond medallion. More than likely unless they bought a last minute ticket on a full plane, they would at least be C+
- Comfort+ boards next who are behind first class (Zone 3)
- Gold Medallion boards next and they are in the main cabin (Zone 4)
Those four zones above have a dedicated lane and should have plenty of overhead space close to their seat.
Below those four is where the upheaval starts especially if you fly out of Orlando like I do now with a lot of infrequent fliers. At that point, everyone is Main cabin jockeying for position and overhead space.
Even then Zone 5 isn’t bad. You get that by either having a cobranded credit card or being the lowest medallion level - Silver
