Fare class NK 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 NK, Booking Code NK, Fare Class NK, Ticket Code NK, Class NK, NK Fare or Main Cabin (NK)
Fare Class NK booking information
Important information about Fare Class NK on Delta Air Lines.
SkyMiles frequent flyer earnings
Explore what you'll earn as a SkyMiles member flying on Delta Air Lines with a ticket in Fare Class NK.
1 Distance calculations are at the sole discretion of Delta Air Lines; however, calculations generally follow the great circle distance between airports.
Additional SkyMiles earning information on Delta Air Lines fare class NK