How do I check if UA3503 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 UA3503 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 UA3503 have Starlink Wi-Fi?

Over 99% Starlink odds, weighted to recent UA3503 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 UA3503 departures

IAD → BOS · Thu, Oct 8, 3:09 PM EDT
N744YX · E175
Starlink
IAD → BOS · Fri, Oct 9, 3:09 PM EDT
N739YX · E175
Starlink

UA3503 Starlink history

Based on 75 recent flights; Starlink found in 15 of 16 Wi-Fi checks since Jan 17, 2026 (last N740YX, Aug 14, 2026).

Aircraft seen on UA3503: Embraer E-175, Embraer E-170.

Routes UA3503 flies

IAD → BOS · 1h 50m
Seen 134 times · last seen Oct 8, 2026
Plan this route
JAX → EWR · 2h 29m
Seen 20 times · last seen Oct 8, 2026
Plan this route
ORD → ORF · 2h 30m
Seen 230 times · last seen Sep 6, 2026
Plan this route
EWR → CLE · 1h 44m
Seen 775 times · last seen Aug 10, 2026
Plan this route

Other IAD → BOS flights

UA688 UA641 UA3552 UA3615 UA3551 UA755 UA1392 UA3750

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 UA3503 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 UA3503 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.