How do I check if UA3431 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 UA3431 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 UA3431 have Starlink Wi-Fi?

Over 99% Starlink odds, weighted to recent UA3431 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 UA3431 departures

IAD → YYZ · Fri, Oct 9, 8:28 AM EDT
N733YX · E175
Starlink
BOS → EWR · Sat, Oct 10, 10:51 AM EDT
N729YX · E175
Starlink

UA3431 Starlink history

Based on 80 recent flights; Starlink found in 21 of 22 Wi-Fi checks since Feb 9, 2026 (last N761YX, Sep 19, 2026).

Aircraft seen on UA3431: Embraer E-175.

Routes UA3431 flies

IAD → YYZ · 1h 36m
Seen 1,235 times · last seen Oct 8, 2026
Plan this route
BOS → EWR · 1h 40m
Seen 58 times · last seen Oct 8, 2026
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EWR → ATL · 2h 34m
Seen 18 times · last seen Sep 18, 2026
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EWR → AUS · 4h 13m
Seen 64 times · last seen Aug 7, 2026
Plan this route

Other IAD → YYZ flights

UA3453 UA3490 UA3515 UA3302 UA741 UA775

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 UA3431 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 UA3431 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.