About 43% Starlink odds, weighted to recent UA3893 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 20 recent flights; Starlink found in 4 of 5 Wi-Fi checks since May 17, 2026 (last N64321, Aug 17, 2026).
Aircraft seen on UA3893: Boeing 737-900ER, Airbus A321XLR, Boeing 737-800.