How do I check if UA3870 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 UA3870 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 UA3870 have Starlink Wi-Fi?

About 46% Starlink odds, weighted to recent UA3870 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.

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

UA3870 Starlink history

Based on 41 recent flights; Starlink found in 8 of 16 Wi-Fi checks since Jun 22, 2026 (last N34571, Oct 16, 2026).

Aircraft seen on UA3870: Airbus A321neo, Boeing 737-800, Boeing 737-900ER, Boeing 767-400ER.

Routes UA3870 flies

LCQ → ORD · 2h 18m
Seen 4 times · last seen Oct 16, 2026
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IAB → ORD · 2h 4m
Seen 4 times · last seen Sep 21, 2026
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TPA → MLB · 34m
Seen 3 times · last seen Oct 17, 2026
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RFD → ORD · 52m
Seen 2 times · last seen Oct 14, 2026
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Other LCQ → ORD flights

UA3872 UA3891 UA3876

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 UA3870 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 UA3870 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.