About 29% Starlink odds, weighted to recent UA1289 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 147 recent flights; Starlink found in 4 of 11 Wi-Fi checks since Jan 2, 2026 (last N63890, Oct 4, 2026).
Aircraft seen on UA1289: Boeing 737 MAX 9, Boeing 737-900ER, Airbus A319.