Fare Class U or more commonly known as Main Cabin (U) is a revenue fare/booking class of service on Delta Air Lines. The U fare class a low (less expensive) fare classes in the Main Cabin and tickets are considered deeply discounted. This fare class is eligible for complimentary upgrades for SkyMiles members who hold Medallion status.
Fare Class U is marketed as a Deeply Discount Main Cabin fare class, but is considered a low-tier fare class with 3 lower fare classes and 7 higher fare classes, which means the flight you are booking is fairly empty and tickets in this fare class will be cheap’ish. To book a cheaper fare class, adjust your routing or dates.
Below is a human-readable description of this fare class and the expectations passengers should have when flying with a U fare class.
Fare Class U booking information
Important information to know when booking Fare Class U on Delta Air Lines.
Fare Class U upgrade eligibility
Important upgrade eligibility and upgrade order information with a Fare Class U ticket on Delta Air Lines.
Complimentary upgrades
Complimentary upgrades are available for SkyMiles Silver, Gold, Platinum and Diamond Medallion members. Complimentary upgrades clear based on the official upgrade priority list here.
If you don’t know, now you know…
Complimentary upgrades are based upon availability and are affected by Irregular Operations (IROPS) and gate agents not following operational guidelines to upgrade SkyMiles Medallion members with seats available. Your mileage may vary.
SkyMiles Medallion frequent flyer earnings
Important Medallion earning information on a Fare Class U ticket on Delta Air Lines.
Cynthia nonis says:
Hi. I’m flying to Montego Bay in December. I was just now changed yo U class. Can I take one carry on?