Upgrading your flight on Delta Airlines can significantly enhance your travel experience. Whether you want extra legroom, priority boarding, or a luxury first-class seat, knowing how to navigate Delta’s upgrade options can make your journey far more enjoyable.

This comprehensive guide breaks down everything about Delta Airlines flight upgrades — from types of upgrades, how to request them, costs, elite member benefits, and tips to increase your chances. No matter if you’re a seasoned SkyMiles member or flying for the first time, this guide will help you get the most value out of your Delta upgrade.

What Is a Delta Flight Upgrade?

A flight upgrade means moving from a lower class, such as Basic Economy or Main Cabin, to a higher class like Comfort+, First Class, or Delta One. Upgrades offer benefits such as:

• More spacious and comfortable seating
• Priority check-in and boarding
• Enhanced in-flight dining and entertainment
• Access to Delta Sky Club lounges (for Delta One and First Class)
• Additional baggage allowance

Delta upgrades can be complimentary for elite flyers, paid, or redeemed using SkyMiles.

Types of Delta Airlines Upgrades

Delta offers multiple upgrade options tailored to different traveler types and budgets.

1. Complimentary Upgrades for Elite Members

Delta Medallion members (Silver, Gold, Platinum, Diamond) may receive complimentary upgrades on certain routes within the U.S. and to nearby international destinations. Upgrade priority is based on Medallion status and fare class.

2. Miles Upgrades

Use SkyMiles to upgrade Main Cabin tickets to Comfort+, First Class, or Delta One. Upgrade costs depend on route, fare class, and flight length.

3. Pay-for-Upgrades

Passengers can purchase upgrades during booking, check-in, or at the gate. The price depends on demand, flight route, and timing.

4. Delta Upgrade Certificates

• Offered as Medallion benefits or credit card perks.
• Can be applied to select flights for confirmed upgrades.

5. Bid for Upgrades

Delta occasionally invites passengers to bid for an upgrade. You place a bid, and if accepted, you get upgraded.

How to Request a Delta Airlines Upgrade

At Booking

• Select upgrade options if offered.
• Use SkyMiles or Upgrade Certificates.

After Booking

• Manage your reservation online.
• Use the Delta app to view upgrade offers.
• Call Delta Reservations or customer service at 1-888-843-9199 for assistance.

During Check-In

• Online or mobile check-in often shows upgrade availability.
• Kiosk or gate agents can help with last-minute upgrades.

Using SkyMiles to Upgrade

Step 1: Confirm Ticket Eligibility

• Most Main Cabin and some Basic Economy tickets are eligible.
• Confirm your fare class qualifies for upgrades.

Step 2: Check Upgrade Cost

• Mileage required varies by route and upgrade type.
• Short domestic flights require fewer miles; international flights need more.

Step 3: Request Upgrade

• Via delta.com or Delta app under Manage Reservations.
• Phone customer service for complex itineraries.

Step 4: Monitor Upgrade Status

• Upgrades are processed based on availability and Medallion priority.
• Track your upgrade status in your Delta account.

Understanding Delta Upgrade Priority

Delta prioritizes upgrades based on:

• Medallion status (Diamond highest priority)
• Fare class purchased
• Time of upgrade request

Higher Medallion members and full-fare ticket holders get priority on waitlists.

Delta Comfort+ vs. First Class vs. Delta One Upgrades

Comfort+

• Extra legroom, dedicated overhead bins
• Early boarding
• Complimentary snacks and drinks

First Class

• Wider seats with more recline
• Premium meals and drinks
• Priority check-in and security lanes

Delta One

• Lie-flat seats on international and transcontinental routes
• Premium dining and amenities
• Access to Delta Sky Club and partner lounges

Delta Upgrade Costs and Fees

Paid Upgrades

• Range from $50 to several hundred dollars depending on flight and timing.
• Prices fluctuate based on availability and route.

Mileage Upgrades

• Range from 5,000 to 50,000 SkyMiles depending on route and class.
• Taxes and fees may apply.

Upgrade Certificates

• No additional cost but require qualification.

Delta Medallion Elite Benefits for Upgrades

• Complimentary upgrades for eligible routes
• Priority on upgrade waitlists
• Access to Upgrade Certificates
• Increased likelihood of upgrades on partner airlines within SkyTeam

Tips to Increase Your Chances of Getting an Upgrade

1. Join Delta SkyMiles and achieve Medallion status.
2. Book full-fare or flexible tickets.
3. Check in exactly 24 hours before the flight.
4. Fly during less busy travel times.
5. Use miles or upgrade certificates strategically.
6. Be polite and ask at the gate if upgrades are available.