Does UA1644 have Starlink Wi-Fi?

About 14% Starlink odds, weighted to recent UA1644 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.

How the check works · Is Starlink Wi-Fi free?

UA1644 Starlink history

Based on 75 recent flights; Starlink found in 3 of 8 Wi-Fi checks since Jan 2, 2026 (last N47517, Oct 8, 2026).

Aircraft seen on UA1644: Boeing 737 MAX 9, Boeing 737.

Routes UA1644 flies

  • SJU → IAH · 4h 45m
    Seen 42 times · last seen Oct 13, 2026
    Plan this route

Other SJU → IAH flights

UA668UA2495

Other ways to check

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Questions

How do I check if UA1644 has Starlink?
Pick your travel date above. United Airlines assigns the aircraft about 2 days before departure, and the answer then comes from that aircraft. Before that, you get Starlink odds from recent UA1644 flights, weighted to the latest.
How accurate is this?
We check each aircraft's Wi-Fi on united.com and match aircraft to flights using flight schedule data. Aircraft can be swapped before departure, so check again the day before you fly.