Fare class NX is an award (miles) 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 award main cabin fare class that is eligible for complimentary upgrades.

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

Delta Fare Class NX Frequently Asked Questions