How do I check if UA573 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 UA573 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 UA573 have Starlink Wi-Fi?

About 24% Starlink odds, weighted to recent UA573 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.

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

UA573 Starlink history

Based on 128 recent flights; Starlink found in 5 of 12 Wi-Fi checks since Jan 17, 2026 (last N86534, Oct 16, 2026).

Aircraft seen on UA573: Boeing 737-800, Boeing 737 MAX 8, Airbus A321neo, Boeing 737-900ER.

Routes UA573 flies

STL → SFO · 4h 22m
Seen 136 times · last seen Oct 18, 2026
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LAX → DEN · 2h 29m
Seen 100 times · last seen Sep 24, 2026
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YVR → LAX · 3h
Seen 13 times · last seen Sep 18, 2026
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RDU → SFO · 5h 42m
Seen 42 times · last seen Aug 7, 2026
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Other STL → SFO flights

UA5728 UA5943 UA2482 UA2100

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 UA573 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 UA573 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.