How do I check if UA2104 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 UA2104 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 UA2104 have Starlink Wi-Fi?

About 7% Starlink odds, weighted to recent UA2104 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.

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

UA2104 Starlink history

Based on 72 recent flights; Starlink found in 0 of 10 Wi-Fi checks since Jan 16, 2026.

Aircraft seen on UA2104: Airbus A319, Boeing 737 MAX 9, Boeing 737 MAX 8, Boeing 737-700.

Routes UA2104 flies

BOS → EWR · 1h 24m
Seen 25 times · last seen Oct 5, 2026
Plan this route
SMF → LAX · 1h 33m
Seen 9 times · last seen Aug 20, 2026
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EWR → CLT · 2h 14m
Seen 12 times · last seen Aug 6, 2026
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ORD → BDL · 2h 19m
Seen 9 times · last seen May 18, 2026
Plan this route

Other BOS → EWR flights

UA1833 UA570 UA2060 UA1693 UA1647 UA371 UA3719 UA3420

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 UA2104 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 UA2104 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.