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Delta Airlines MD-88

Fare class Y is used during re-booking due to IRROPS.  Mileage earning is based on the ticket (paid) fare class and NOT the rebooked fare class.

Fare class ranking


Higher Fare Classes

Y – IRROPS (Silver), Y – IRROPS (Gold), Y – IRROPS (Platinum), Y – IRROPS (Diamond)

Lower Fare Classes

E,N,R,V,X,T,U,L,K,Q,H,S,M,B,Y (paid)

Upgrade probability

Silver Medallion 94.915%
Gold Medallion 96.910%
Platinum Medallion 98.305%
Diamond Medallion 100%

All IRROPS upgrades happen ahead of non-IRROPS passengers.  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.