About 99% Starlink odds, weighted to recent UA5315 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 74 recent flights; Starlink found in 13 of 13 Wi-Fi checks since Jan 17, 2026 (last N154SY, Sep 29, 2026).
Aircraft seen on UA5315: Embraer E-175.