About 46% Starlink odds, weighted to recent UA1243 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 32 recent flights; Starlink found in 1 of 6 Wi-Fi checks since Feb 28, 2026 (last N24202, Jul 12, 2026).
Aircraft seen on UA1243: Boeing 737-800, Airbus A320.