How do I check if UA566 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 UA566 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.

Does UA566 have Starlink Wi-Fi?

About 56% Starlink odds, weighted to recent UA566 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 UA566 departures

SMF → DEN · Mon, Oct 19, 4:17 PM PDT
N37471 · 737-900
Starlink
SMF → DEN · Tue, Oct 20, 4:17 PM PDT
N69816 · 737-900
Starlink

UA566 Starlink history

Based on 81 recent flights; Starlink found in 7 of 12 Wi-Fi checks since Mar 13, 2026 (last N38424, Sep 25, 2026).

Aircraft seen on UA566: Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800, Airbus A319.

Routes UA566 flies

SMF → DEN · 2h 28m
Seen 680 times · last seen Oct 19, 2026
Plan this route

Other SMF → DEN flights

UA2285 UA1889 UA1961 UA1023 UA1841 UA1055 UA5739 UA549

Other ways to check

Know your tail number? Search it on the homepage.
Shopping on Google Flights? The free Chrome extension marks United flights that have Starlink.
See every United Airlines aircraft on the fleet page.

Questions

How do I check if UA566 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 UA566 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.