About 15% Starlink odds, weighted to recent UA2373 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 153 recent flights; Starlink found in 5 of 14 Wi-Fi checks since Feb 25, 2026 (last N27539, Oct 11, 2026).
Aircraft seen on UA2373: Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737.