About 14% Starlink odds, weighted to recent UA1397 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 125 recent flights; Starlink found in 1 of 9 Wi-Fi checks since Mar 25, 2026 (last N39461, Aug 9, 2026).
Aircraft seen on UA1397: Boeing 737-900, Boeing 737 MAX 8, Boeing 737 MAX 9, Boeing 737-900ER.