About 16% Starlink odds, weighted to recent UA1897 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 80 recent flights; Starlink found in 4 of 12 Wi-Fi checks since Jan 2, 2026 (last N53441, Jul 31, 2026).
Aircraft seen on UA1897: Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800, Boeing 737.