About 97% Starlink odds, weighted to recent UA5912 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 103 recent flights; Starlink found in 24 of 25 Wi-Fi checks since Feb 4, 2026 (last N787SK, Oct 31, 2026).
Aircraft seen on UA5912: Bombardier CRJ-550, Embraer E-175.