Over 99% Starlink odds, weighted to recent UA3515 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 94 recent flights; Starlink found in 27 of 27 Wi-Fi checks since Jan 17, 2026 (last N766YX, Oct 16, 2026).
Aircraft seen on UA3515: Embraer E-175.