About 54% Starlink odds, weighted to recent UA1291 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 66 recent flights; Starlink found in 4 of 12 Wi-Fi checks since Jan 28, 2026 (last N73291, Aug 29, 2026).
Aircraft seen on UA1291: Boeing 737-800, Airbus A321neo, Boeing 737-900ER, Boeing 737.