About 54% Starlink odds, weighted to recent UA1281 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 82 recent flights; Starlink found in 7 of 14 Wi-Fi checks since Jan 15, 2026 (last N37465, Oct 17, 2026).
Aircraft seen on UA1281: Boeing 737-900ER, Boeing 737-800, Boeing 737-900.