About 41% Starlink odds, weighted to recent UA1554 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 98 recent flights; Starlink found in 10 of 16 Wi-Fi checks since Apr 29, 2026 (last N53441, Oct 6, 2026).
Aircraft seen on UA1554: Boeing 737-900ER, Boeing 737-800, Boeing 737 MAX 9.