Fare Class Y or more commonly known as Main Cabin (B) is a revenue fare/booking class of service on Delta Air Lines. The B fare class is one of the highest (most expensive) fare classes in the Main Cabin and tickets are considered full fare. This fare class is eligible for complimentary upgrades for SkyMiles members who hold Medallion status.
Fare Class B is marketed as a Full Fare Main Cabin fare class, but is considered an top-tier fare class with 9 lower fare classes and 1 higher fare classes, which means the flight you are booking will is likely to only have a few seats left. Tickets in this fare class will be expensive to very expensive. To book a cheaper fare class, adjust your routing or dates.
Below is a human-readable description of this fare class and the expectations passengers should have when flying with a B fare class.
Fare Class B booking information
Important information to know when booking Fare Class B on Delta Air Lines.
Fare Class B upgrade eligibility
Important upgrade eligibility and upgrade order information with a Fare Class B ticket on Delta Air Lines.
Complimentary upgrades are available for SkyMiles Silver, Gold, Platinum and Diamond Medallion members. Complimentary upgrades clear based on the official upgrade priority list here.
SkyMiles Medallion frequent flyer earnings
Important Medallion earning information on a Fare Class B ticket on Delta Air Lines.