Over 99% Starlink odds, weighted to recent UA3507 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 90 recent flights; Starlink found in 26 of 26 Wi-Fi checks since Jan 8, 2026 (last N756YX, Oct 18, 2026).
Aircraft seen on UA3507: Embraer E-175.