Fare class X is a revenue fare/booking class of service that is marketed as Main Cabin on Delta Air Lines mainline and code share flights. This fare class is considered a deeply discounted main cabin fare class that is eligible for complimentary upgrades.

Also referred to as: Booking Class X, Booking Code X, Fare Class X, Ticket Code X, Class X, X Fare or Main Cabin (X)

Delta Fare Class X Frequently Asked Questions