About 22% Starlink odds, weighted to recent UA1923 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 72 recent flights; Starlink found in 3 of 12 Wi-Fi checks since Jan 2, 2026 (last N61898, Aug 8, 2026).
Aircraft seen on UA1923: Boeing 737-900ER, Boeing 737-900, Boeing 737-800.