About 63% Starlink odds, weighted to recent UA1381 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 96 recent flights; Starlink found in 10 of 22 Wi-Fi checks since Jan 30, 2026 (last N37277, Oct 15, 2026).
Aircraft seen on UA1381: Boeing 737-800, Airbus A319.