How do I check if UA3521 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 UA3521 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 UA3521 have Starlink Wi-Fi?

Over 99% Starlink odds, weighted to recent UA3521 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 UA3521 departures

ORD → BGR · Mon, Oct 19, 5:52 PM CDT
N742YX · E175
Starlink
ORD → BGR · Tue, Oct 20, 5:52 PM CDT
N750YX · E175
Starlink

UA3521 Starlink history

Based on 94 recent flights; Starlink found in 23 of 23 Wi-Fi checks since Jan 4, 2026 (last N733YX, Sep 19, 2026).

Aircraft seen on UA3521: Embraer E-175.

Routes UA3521 flies

ORD → BGR · 2h 47m
Seen 253 times · last seen Oct 19, 2026
Plan this route
ORD → YUL · 2h 30m
Seen 288 times · last seen Sep 7, 2026
Plan this route
EWR → MYR · 2h 8m
Seen 149 times · last seen Sep 23, 2026
Plan this route
IAD → CVG · 1h 42m
Seen 615 times · last seen Aug 9, 2026
Plan this route

Other ORD → BGR flights

UA5427 UA5681 UA5680 UA5424 UA5327 UA5686 UA5407 UA5395

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 UA3521 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 UA3521 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.