About 26% Starlink odds, weighted to recent UA1253 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 86 recent flights; Starlink found in 10 of 19 Wi-Fi checks since Mar 24, 2026 (last N37513, Oct 18, 2026).
Aircraft seen on UA1253: Boeing 737 MAX 9, Boeing 737-900ER, Airbus A321neo.