How do I check if UA3940 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 UA3940 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 UA3940 have Starlink Wi-Fi?

About 14% Starlink odds, weighted to recent UA3940 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.

How the check works · Is Starlink Wi-Fi free?

UA3940 Starlink history

Based on 24 recent flights; Starlink found in 0 of 1 Wi-Fi checks since Jul 4, 2026.

Aircraft seen on UA3940: Boeing 787-9.

Routes UA3940 flies

CUN → IAH · 2h 26m
Seen 4 times · last seen Sep 24, 2026
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ABQ → DEN · 1h 25m
Seen 2 times · last seen Sep 20, 2026
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ORD → SFO · 4h 55m
Seen 3 times · last seen Jul 28, 2026
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LAS → SFO · 1h 41m
Seen 1 time · last seen Aug 20, 2026
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Other CUN → IAH flights

UA1059 UA1123 UA1058 UA1056 UA1051 UA1019 UA3935 UA1017

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 UA3940 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 UA3940 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.