How do I check if UA4721 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 UA4721 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 UA4721 have Starlink Wi-Fi?

Over 99% Starlink odds, weighted to recent UA4721 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 UA4721 departures

PSC → DEN · Fri, Oct 9, 12:59 PM PDT
N84378 · E175
Starlink
DEN → XWA · Fri, Oct 9, 7:12 PM MDT
N533GJ · CRJ550
Starlink
PSC → DEN · Sat, Oct 10, 12:59 PM PDT
N622UX · E175
Starlink

UA4721 Starlink history

Based on 89 recent flights; Starlink found in 27 of 31 Wi-Fi checks since Jan 7, 2026 (last N790SK, Oct 8, 2026).

Aircraft seen on UA4721: Bombardier CRJ-550, Embraer E-175, Bombardier CRJ-700.

Routes UA4721 flies

PSC → DEN · 2h 35m
Seen 1,623 times · last seen Oct 8, 2026
Plan this route
DEN → XWA · 1h 56m
Seen 570 times · last seen Oct 8, 2026
Plan this route
MTJ → DEN · 2h 35m
Seen 1 time · last seen Aug 15, 2026
Plan this route

Other PSC → DEN flights

UA5346

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 UA4721 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 UA4721 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.