How do I check if UA3921 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 UA3921 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 UA3921 have Starlink Wi-Fi?

About 15% Starlink odds, weighted to recent UA3921 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.

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

UA3921 Starlink history

Based on 29 recent flights; Starlink found in 0 of 4 Wi-Fi checks since May 25, 2026.

Aircraft seen on UA3921: Boeing 737 MAX 9, Boeing 767-300ER, Boeing 737-700, Boeing 757-200.

Routes UA3921 flies

Last seen Sep 16, 2026.

RIC → IAH · 3h 8m
Seen 2 times · last seen Sep 16, 2026
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IND → ORD · 1h 15m
Seen 1 time · last seen Sep 7, 2026
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PDX → DEN · 2h 37m
Seen 3 times · last seen May 20, 2026
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TQO → IAH · 2h 38m
Seen 2 times · last seen Aug 9, 2026
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Other RIC → IAH flights

UA4042 UA4046 UA6231 UA4077 UA5553 UA4005 UA4062 UA2464

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 UA3921 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 UA3921 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.