How do I check if UA4581 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 UA4581 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 UA4581 have Starlink Wi-Fi?

Over 99% Starlink odds, weighted to recent UA4581 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 UA4581 departures

IAH → TUL · Fri, Oct 9, 12:06 PM CDT
N539GJ · CRJ550
Starlink
IAH → TUL · Sat, Oct 10, 12:06 PM CDT
N587GJ · CRJ550
Starlink

UA4581 Starlink history

Based on 66 recent flights; Starlink found in 19 of 19 Wi-Fi checks since Jan 7, 2026 (last N542GJ, Sep 29, 2026).

Aircraft seen on UA4581: Bombardier CRJ-550.

Routes UA4581 flies

IAH → TUL · 1h 44m
Seen 137 times · last seen Oct 9, 2026
Plan this route
ORD → STL · 1h 28m
Seen 834 times · last seen Aug 10, 2026
Plan this route
IAH → BTR · 1h 9m
Seen 174 times · last seen Sep 7, 2026
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HSV → IAH · 2h 6m
Seen 82 times · last seen Sep 22, 2026
Plan this route

Other IAH → TUL flights

UA6176 UA5261 UA3991 UA6269 UA6179 UA5413 UA5396 UA6270

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 UA4581 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 UA4581 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.