Delta Fare Class K

What does main cabin (k) mean on Delta Airlines?

Fare class K is a main cabin discounted revenue fare class on Delta Airlines mainline and code share flights.

Fare class ranking


Higher Fare Classes


Lower Fare Classes


Upgrade probability

Silver Medallion 13.559%
Gold Medallion 38.983%
Platinum Medallion 64.406%
Diamond Medallion 89.830%

Upgrade probability is based on fare class ranking and medallion status.  These calculations are estimates only and should be used as a general idea of ranking for upgrades at the gate. All complimentary upgrades are based upon inventory availability.

These calculations are not endorsed or provided by Delta Airlines.

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