About 14% Starlink odds, weighted to recent UA1658 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 70 recent flights; Starlink found in 3 of 10 Wi-Fi checks since Jan 17, 2026 (last N76269, Aug 9, 2026).
Aircraft seen on UA1658: Boeing 737-800, Boeing 737-900, Boeing 757-200.