How do I check if UA4423 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 UA4423 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 UA4423 have Starlink Wi-Fi?

Over 99% Starlink odds, weighted to recent UA4423 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.

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

Next UA4423 departures

STL → ORD · Thu, Oct 8, 6:00 AM CDT
N565GJ · CRJ550
Starlink
STL → ORD · Fri, Oct 9, 6:00 AM CDT
N516GJ · CRJ550
Starlink

UA4423 Starlink history

Based on 87 recent flights; Starlink found in 28 of 28 Wi-Fi checks since Jan 8, 2026 (last N576GJ, Sep 30, 2026).

Aircraft seen on UA4423: Bombardier CRJ-550.

Routes UA4423 flies

STL → ORD · 1h 36m
Seen 1,091 times · last seen Oct 8, 2026
Plan this route
ORD → CAE · 2h 15m
Seen 72 times · last seen Sep 23, 2026
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ORD → MSN · 1h 13m
Seen 20 times · last seen Oct 6, 2026
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CRP → IAH · 1h 8m
Seen 13 times · last seen Sep 8, 2026
Plan this route

Other STL → ORD flights

UA4517 UA4395 UA4616 UA4601 UA5332 UA2792 UA5572 UA4165

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 UA4423 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 UA4423 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.