How do I request an upgrade on Delta?
To request a seat upgrade on Delta Airlines log into the Delta account and, under the My Trip section, check for upgrade eligibility. Moreover, one can make a Delta upgrade by using options such as SkyMiles, upgrade certificates, or cash. Passengers can also request it at check-in at the gate. Further, Medallion Members get complimentary upgrades based on status. However, the upgrade depends on the seat availability.
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