About 40% Starlink odds, weighted to recent UA4206 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 10 recent flights; Starlink found in 3 of 3 Wi-Fi checks since Jul 18, 2026 (last N64321, Aug 27, 2026).
Aircraft seen on UA4206: Airbus A321XLR.
Last seen Aug 27, 2026.