https://support.captureone.com/hc/en-us/community/posts/21967667120285--888-829-1467-How-to-link-two-Delta-reservations
Linking two Delta reservations is a straightforward process that enhances coordination when traveling with family or friends. First, gather the confirmation numbers and last names associated with both reservations. Then, visit the Delta website at delta.com and log into your SkyMiles account or access the “My Trips” section without logging in.
