Being placed on Delta upgrade list takes some effort but can result in better seats or even a bump to first class. Monitor your flight status closely and take advantage of any same-day upgrades that may become available. Building status through frequent flying is one way to improve your chances of being upgraded. If you have questions or need assistance related to Delta Upgrade List, you can visit the Airlines Pet Policy. Additionally, you can contact at 800-221-1212 or +1-844-902-4930 (OTA Skip-Waiting).