Who Can Avail the Delta Airlines Preferred Seat?

Except basic economy fare holder, Preferred Seating on Delta seating is accessible anytime after reservations for:
The people booked full B, M and Y fares on Delta Airlines Flight.
Customers having membership in Medallion Skymiles like:
1. Diamond Medallion (DM)
2. Gold Medallion (GM)
3. Platinum Medallion (PM)
4. Silver Medallion (FO)
5. Customers bought the plan, i.e SkyTeam Elite, Joint Venture Elite, and Elite Plus partner on Delta Airlines.
6. Companions (up to 8) on an air-travel with a Medallion SkyMiles flyer when they are reserved on the same trip. If flying on the identical segment(s) as the Medallion program holder but in different reservations, don't hesitate to contact Global Sales Support or Delta Airlines Reservations for assistance.
7. Corporate accounts or Agency due to agreement negotiations

To know more about it read the full Blog, Visit :- https://cancellationflights.com/blog/get-preferred-seating-on-delta-airlines
Source :- https://cancellationflights.com/blog/get-preferred-seating-on-delta-airlines
Source :- https://www.hypebunch.com/read-blog/3470_do-you-know-about-preferred-seating-on-delta.html