How do I check if UA3877 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 UA3877 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 UA3877 have Starlink Wi-Fi?

About 42% Starlink odds, weighted to recent UA3877 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.

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

UA3877 Starlink history

Based on 25 recent flights; Starlink found in 0 of 3 Wi-Fi checks since Jun 12, 2026.

Aircraft seen on UA3877: Boeing 737 MAX 9, Airbus A321neo, Boeing 737-900ER.

Routes UA3877 flies

ORD → INT · 1h 49m
Seen 3 times · last seen Oct 20, 2026
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MLB → IAH · 2h 18m
Seen 5 times · last seen Oct 3, 2026
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EWR → INT · 1h 32m
Seen 3 times · last seen Sep 29, 2026
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IAB → DEN · 1h 28m
Seen 2 times · last seen Sep 15, 2026
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Other ORD → INT flights

UA3878 UA3871

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 UA3877 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 UA3877 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.