How do I check if UA406 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 UA406 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 UA406 have Starlink Wi-Fi?

About 12% Starlink odds, weighted to recent UA406 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 UA406 departures

SFO → LAS · Mon, Oct 19, 9:10 PM PDT
N17574 · 737 MAX 9
Starlink

UA406 Starlink history

Based on 156 recent flights; Starlink found in 1 of 37 Wi-Fi checks since Jan 2, 2026 (last N64809, Jun 5, 2026).

Aircraft seen on UA406: Boeing 737-900ER, Boeing 737 MAX 8, Boeing 737 MAX 9, Boeing 737.

Routes UA406 flies

SFO → LAS · 1h 49m
Seen 237 times · last seen Oct 19, 2026
Plan this route
LAS → EWR · 4h 52m
Seen 2 times · last seen Sep 30, 2026
Plan this route

Other SFO → LAS flights

UA611 UA751 UA2352 UA1711 UA1995 UA2449 UA582 UA2400

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 UA406 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 UA406 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.