Every Alaska Airlines aircraft as it joins the Starlink-equipped fleet — newest first, with its first observed Starlink revenue flight once it departs.
Dates are when this tracker first observed the install, not when the antenna went on. A "first observed Starlink revenue flight" is likewise the earliest departure we can evidence after that find — where an earlier departure exists in our own departure log, we record nothing rather than name a flight that wasn't first. Writing about the rollout? The Atom feed carries these entries as they land — see the methodology for how installs are verified.