UA4521 had Starlink on 8 of 8 recent departures (100%). Pick a date below for a live answer.
Starlink-equipped aircraft on 8 of 8 recently verified UA4521 departures.
Most recent Starlink-equipped departure: Aug 6, 2026 on N551GJ.
Aircraft recently seen on UA4521: Bombardier CRJ-550.
Aircraft assignments can swap up to departure — check your exact date above.
See where the United Airlines rollout stands across every aircraft on the fleet page.
If you know your aircraft's tail number (found on your boarding pass or the aircraft fuselage), search for it on the homepage tracker. The search bar filters all Starlink-equipped aircraft instantly.
Install the free Chrome extension to see Starlink badges directly on Google Flights while you search for United flights. No extra steps needed.
Add to Chrome — FreePick your travel date in the form above. Within ~2 days of departure the answer comes from the actual aircraft assigned to UA4521; further out it's a probability from this flight number's recent aircraft history.
We verify Starlink status against united.com and cross-reference with flight schedules from aviation data providers. Aircraft assignments can change, so check closer to your departure date for the most accurate results.