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A Delta Medallion member can bring one companion along for a complimentary upgrade — the companion just needs a SkyMiles number, doesn’t need Medallion status of their own, and the pair clears together at the higher-tier member’s priority window. Here’s exactly how that works, per Delta’s own upgrade policy.
The Core Rule
A Medallion Member and one traveling companion can both receive a Complimentary Upgrade when flying together on Delta or Delta Connection. To qualify, the companion has to be:
- A SkyMiles member (Medallion status is not required for the companion)
- Booked on the same reservation as the Medallion member
- Traveling on the same flight, in the same reservation
That last point matters more than it sounds: if you’re each on separate reservations, even for the identical flight, the companion rule doesn’t apply — you need to be booked together.
Mismatched Status: You Both Get the Higher Tier’s Window
When the two travelers hold different Medallion tiers, Delta doesn’t split the difference or default to the lower one — both upgrades clear based on the higher-tiered member’s status. Delta’s own example: if a Diamond Medallion member travels with a general SkyMiles member (no status at all), both upgrades still clear at the Diamond window if space opens up. The companion effectively borrows the better priority for that trip.
There’s a catch worth knowing: this only holds as long as you’re actually still traveling together. If the companion changes their itinerary and ends up on a different flight than the higher-tiered member, they lose access to that elevated clearance window — the upgrade reverts to whatever the companion would qualify for on their own.
Clearance Windows by Tier (Domestic)
These are the windows before departure when a Medallion member — and their companion, per the rule above — can start clearing into a complimentary upgrade, per Delta’s official upgrade page:
| Tier | Delta First / Premium Select | Delta Comfort+ | Delta One (domestic) |
|---|---|---|---|
| Diamond | 120 hours (5 days) | Shortly after ticketing | Day of departure |
| Platinum | 120 hours (5 days) | Shortly after ticketing | Day of departure |
| Gold | 72 hours (3 days) | 72 hours (3 days) | Day of departure |
| Silver | 24 hours (1 day) | 24 hours (1 day) | Day of departure |
One scope limit that trips people up: complimentary upgrades to Premium Select or Delta One only apply on flights within the 50 U.S. states. International Premium Select and Delta One upgrades — companion or not — aren’t part of this complimentary system at all.
Why Upgrades — Companion or Not — Feel Harder to Clear Lately
The clearance windows above haven’t changed, but actually landing a seat within them has gotten tougher. Industry analysis (via Mighty Travels, cited by Simple Flying) suggests Delta has been targeting the sale of up to 75% of its first-class inventory rather than holding it for complimentary upgrades, with roughly 13% of first-class seats now filled by complimentary upgrades — down sharply from the 90% range two decades ago. Take the exact percentages as directional rather than official Delta figures, but the underlying trend matches what frequent flyers report: earlier clearance windows and higher status matter more than ever, and a companion riding along on your window doesn’t change how much inventory Delta releases in the first place.
Frequently Asked Questions
How many companions can a Delta Medallion member upgrade?
One. A Medallion Member and one traveling companion may both receive a complimentary upgrade when booked on the same reservation and flight.
Does the companion need Medallion status to get a complimentary upgrade?
No. The companion only needs to be a SkyMiles member — they don't need Medallion status of their own to ride along on the upgrade.
What clearance window applies if the Medallion member and companion have different status levels?
Both upgrades clear based on the higher-tiered member's status. For example, a Diamond member traveling with a general SkyMiles member both clear at the Diamond window if space is available.
Do complimentary companion upgrades work on international flights?
Not for Premium Select or Delta One. Complimentary upgrades to those cabins only apply on flights within the 50 U.S. states; Delta First domestic and Comfort+ upgrades follow the standard tier-based clearance windows.
What happens if the companion changes their flight and no longer travels with the Medallion member?
They lose access to the higher-tiered member's clearance window. The companion rule only applies while both travelers remain on the same reservation and flight.
Bottom Line
One companion can ride your Medallion upgrade priority — they just need a SkyMiles number and a seat on your same reservation and flight. Mixed-status pairs clear at the higher member’s window, not the lower one, as long as you’re still booked together when the upgrade actually clears. The clearance windows themselves are generous on paper; the real constraint these days is how much premium inventory Delta releases for complimentary upgrades at all.
