Does UA423 have Starlink Wi-Fi?

Under 1% Starlink odds, weighted to recent UA423 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.

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

UA423 Starlink history

Based on 144 recent flights; Starlink found in 0 of 11 Wi-Fi checks since Jan 16, 2026.

Aircraft seen on UA423: Boeing 787-10, Boeing 787-8, Boeing 737-900.

Routes UA423 flies

Other PHL → IAH flights

UA2038UA2648UA4025UA4066UA584UA2474UA2430UA6168

Other ways to check

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  • See every United Airlines aircraft on the fleet page.

Questions

How do I check if UA423 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 UA423 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.