How do I check if UA2100 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 UA2100 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 UA2100 have Starlink Wi-Fi?

About 39% Starlink odds, weighted to recent UA2100 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.

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

UA2100 Starlink history

Based on 107 recent flights; Starlink found in 7 of 23 Wi-Fi checks since Jan 31, 2026 (last N14242, Oct 10, 2026).

Aircraft seen on UA2100: Boeing 737-800, Airbus A319, Boeing 737-900ER, Boeing 737 MAX 9.

Routes UA2100 flies

PHX → SFO · 2h 8m
Seen 225 times · last seen Oct 18, 2026
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SEA → EWR · 5h 26m
Seen 41 times · last seen Jul 29, 2026
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STL → SFO · 4h 21m
Seen 1 time · last seen Sep 20, 2026
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Other PHX → SFO flights

UA5985 UA693 UA2209 UA2619 UA2449 UA1427 UA2837 UA1141

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 UA2100 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 UA2100 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.