About 57% Starlink odds, weighted to recent UA2181 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 78 recent flights; Starlink found in 6 of 11 Wi-Fi checks since Mar 15, 2026 (last N26215, Oct 16, 2026).
Aircraft seen on UA2181: Boeing 737-800, Boeing 737-900, Airbus A319.