How do I check if UA1665 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 UA1665 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 UA1665 have Starlink Wi-Fi?

About 25% Starlink odds, weighted to recent UA1665 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 UA1665 departures

SFO → BOS · Mon, Oct 19, 11:20 PM PDT
N27568 · 737 MAX 9
Starlink

UA1665 Starlink history

Based on 106 recent flights; Starlink found in 6 of 23 Wi-Fi checks since Jan 17, 2026 (last N68801, Sep 25, 2026).

Aircraft seen on UA1665: Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-800, Boeing 757-200.

Routes UA1665 flies

SFO → BOS · 5h 56m
Seen 83 times · last seen Oct 19, 2026
Plan this route
ONT → SFO · 1h 43m
Seen 217 times · last seen Sep 20, 2026
Plan this route

Other SFO → BOS flights

UA796 UA2647 UA1372 UA2634 UA371 UA2356 UA1015

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 UA1665 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 UA1665 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.