How do I check if UA3873 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 UA3873 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 UA3873 have Starlink Wi-Fi?

About 30% Starlink odds, weighted to recent UA3873 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.

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

UA3873 Starlink history

Based on 26 recent flights; Starlink found in 4 of 8 Wi-Fi checks since May 10, 2026 (last N39297, Oct 5, 2026).

Aircraft seen on UA3873: Boeing 737 MAX 9, Boeing 737-800, Airbus A321neo, Boeing 787-8.

Routes UA3873 flies

GIG → ORD · 11h 7m
Seen 3 times · last seen Sep 18, 2026
Plan this route
MLB → EWR · 2h 20m
Seen 2 times · last seen Oct 18, 2026
Plan this route
IAH → MCO · 2h 22m
Seen 2 times · last seen Sep 26, 2026
Plan this route
RFD → ORD · 52m
Seen 1 time · last seen Oct 7, 2026
Plan this route

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 UA3873 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 UA3873 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.