Delta Fare Class SU

Delta Fare Class SU or more commonly known as Comfort (SU) is a revenue fare/booking class of service on Delta Air Lines. The SU fare class is used for cleared upgrade space into Delta Comfort+. This fare class is eligible for complimentary upgrades for SkyMiles members who hold Medallion status.

Below is a human-readable explanation of this fare class and the expectations passengers should have when flying with a SU fare class.

Fare Class SU Information

Important information about Fare Class SU on Delta Air Lines.

OPERATED BY

Delta Air Lines (Mainline or codeshare flight)

FLIGHT NUMBER BEGINS WITH

DL

TICKET NUMBER BEGINS WITH

006

TICKET TYPE

Cleared Upgrade Space

MARKETED AS

Cleared complimentary upgrade

CABIN

Comfort+

How expensive is Fare Class SU?

How to book Fare Class SU

Information about booking Fare Class SU on Delta Air Lines.

Fare Class SU is used as cleared upgrade space to the Comfort+ cabin for Medallion members and not able to be booked directly.

  • PM/DM can be upgraded shortly after booking a main cabin fare class.

If you are a frequent flyer with additional insight or are with Delta seeking to clarify the information provided, please contact me.

SkyMiles earnings with Fare Class SU

What you’ll earn in the SkyMiles program flying with Fare Class SU

2024 is the start a whole new experience with the SkyMiles program. The core of how SkyMiles members earning status has drastically changed, so please bookmark this site and check back frequently.











How to get upgraded from Comfort+

A comprehensive guide to upgrading with Fare Class SU on Delta Air Lines.

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