About 63% Starlink odds, weighted to recent UA703 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 108 recent flights; Starlink found in 8 of 15 Wi-Fi checks since Mar 4, 2026 (last N14507, Oct 18, 2026).
Aircraft seen on UA703: Airbus A321neo, Boeing 737-800, Boeing 737-900ER, Boeing 737 MAX 9.