To upgrade seats on Delta, check “My Trips” on their website or app for Comfort+, First Class, or Delta One options. Use SkyMiles, bid for upgrades, or pay at check-in if seats are available. Medallion members get priority for complimentary upgrades. Gate agents may also offer upgrades. For help with costs or availability, contact Delta’s customer service team at 877-297-0699 for guidance.
