Does UA3991 have Starlink Wi-Fi?

Over 99% Starlink odds, weighted to recent UA3991 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.

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

Next UA3991 departures

  • BHM → IAH · Fri, Oct 9, 3:10 PM CDT
    N87319 · E175
    Starlink

UA3991 Starlink history

Based on 100 recent flights; Starlink found in 40 of 41 Wi-Fi checks since Jan 2, 2026 (last N87339, Oct 1, 2026).

Aircraft seen on UA3991: Embraer E-175.

Routes UA3991 flies

Other BHM → IAH flights

UA4008UA4013UA4006UA4667UA6121UA4041UA4042

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Questions

How do I check if UA3991 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 UA3991 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.