How do I check if UA4521 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 UA4521 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 UA4521 have Starlink Wi-Fi?

Over 99% Starlink odds, weighted to recent UA4521 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 UA4521 departures

IAD → PVD · Fri, Oct 9, 5:25 PM EDT
N557GJ · CRJ550
Starlink
IAD → PVD · Sat, Oct 10, 5:25 PM EDT
N557GJ · CRJ550
Starlink

UA4521 Starlink history

Based on 72 recent flights; Starlink found in 13 of 13 Wi-Fi checks since Apr 16, 2026 (last N580GJ, Sep 22, 2026).

Aircraft seen on UA4521: Bombardier CRJ-550.

Routes UA4521 flies

IAD → PVD · 1h 33m
Seen 140 times · last seen Oct 8, 2026
Plan this route
XNA → IAH · 1h 43m
Seen 414 times · last seen Sep 23, 2026
Plan this route
IAD → CVG · 1h 43m
Seen 682 times · last seen Aug 9, 2026
Plan this route
ROC → IAD · 1h 23m
Seen 271 times · last seen Aug 10, 2026
Plan this route

Other IAD → PVD flights

UA6262 UA4494 UA4598 UA4506 UA6142 UA6112 UA4599 UA6155

Other ways to check

Know your tail number? Search it on the homepage.
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See every United Airlines aircraft on the fleet page.

Questions

How do I check if UA4521 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 UA4521 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.