If you are a Delta SkyMiles Gold Medallion member, you are eligible for Unlimited Complimentary Upgrades to Delta Comfort+ and First Class. However, "Delta Gold" credit cardholders who do not have Medallion status are not eligible for complimentary seat upgrades. For those with Gold Medallion status, upgrades are cleared starting 72 hours (3 days) before departure, but you are behind Diamond and Platinum members in the hierarchy. In 2026, the upgrade list is more competitive than ever due to high travel demand; thus, Gold members often find themselves upgraded more frequently on shorter, off-peak regional routes rather than high-traffic "hub-to-hub" flights. If you only hold the Gold American Express card without status, your primary perks are a free checked bag and Zone 5 priority boarding, but you would need to use miles or cash if you want to sit in a higher cabin.