About 75% Starlink odds, weighted to recent UA617 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 115 recent flights; Starlink found in 13 of 20 Wi-Fi checks since Jan 17, 2026 (last N24542, Oct 20, 2026).
Aircraft seen on UA617: Airbus A321neo, Boeing 737-800, Airbus A321.