About 90% Starlink odds, weighted to recent UA5538 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 78 recent flights; Starlink found in 15 of 17 Wi-Fi checks since Jan 20, 2026 (last N792SK, Oct 17, 2026).
Aircraft seen on UA5538: Bombardier CRJ-550, Embraer E-175, Bombardier CRJ-200.