Fare Class OK is a fare class used for cleared upgrade space using a RUC or GUC that is marketed as First Class or Delta One on Delta Air Lines.
Below is a human-readable description of this fare class and the expectations passengers should have when flying with a OK fare class.
Fare Class OK booking information
Important information to know when booking Fare Class OK on Delta Air Lines.
How to book Fare Class OK
Important information on how to book Fare Class OK on Delta Air Lines.
Fare Class OK is marketed as cleared upgrade space supported by the use of a GUC or RUC for First Class or Delta One. Typically, fare Class OK redemption fare class can be found with significant advanced booking.
Fare Class OK upgrade eligibility
Important upgrade eligibility and upgrade order information with a Fare Class OK ticket on Delta Air Lines.
Fare class OK is considered cleared space into the highest cabin of service on Delta Air Lines and thus has no eligibility for further upgrade.
SkyMiles Medallion frequent flyer earnings
Important Medallion earning information on a Fare Class OK ticket on Delta Air Lines.