About 6% Starlink odds, weighted to recent UA3901 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 33 recent flights; Starlink found in 0 of 5 Wi-Fi checks since Aug 24, 2026.
Aircraft seen on UA3901: Boeing 787-10, Boeing 777-200, Boeing 757-200, Boeing 767-300ER.
Last seen Sep 9, 2026.