About 31% Starlink odds, weighted to recent UA1673 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 168 recent flights; Starlink found in 4 of 28 Wi-Fi checks since Jan 17, 2026 (last N37537, Oct 16, 2026).
Aircraft seen on UA1673: Boeing 737 MAX 9, Airbus A320, Boeing 737-900ER, Boeing 737-700.