About 48% Starlink odds, weighted to recent UA587 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 144 recent flights; Starlink found in 13 of 24 Wi-Fi checks since Jan 30, 2026 (last N14536, Oct 16, 2026).
Aircraft seen on UA587: Airbus A321neo, Boeing 737-900ER, Boeing 737 MAX 8, Airbus A321.