About 4% Starlink odds, weighted to recent UA1631 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 78 recent flights; Starlink found in 0 of 5 Wi-Fi checks since Jan 31, 2026.
Aircraft seen on UA1631: Boeing 737 MAX 8, Boeing 737 MAX 9, Boeing 737, Boeing 737-800.