How do I check if UA4584 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 UA4584 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 UA4584 have Starlink Wi-Fi?

About 81% Starlink odds, weighted to recent UA4584 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 UA4584 departures

PHL → IAD · Thu, Oct 8, 3:08 PM EDT
N554GJ · CRJ550
Starlink
PHL → IAD · Fri, Oct 9, 3:08 PM EDT
N554GJ · CRJ550
Starlink

UA4584 Starlink history

Based on 73 recent flights; Starlink found in 11 of 11 Wi-Fi checks since Jan 21, 2026 (last N545GJ, Sep 25, 2026).

Aircraft seen on UA4584: Bombardier CRJ-550.

Routes UA4584 flies

PHL → IAD · 1h 16m
Seen 281 times · last seen Oct 8, 2026
Plan this route
IAD → PHL · 1h 17m
Seen 189 times · last seen Sep 7, 2026
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TYS → ORD · 2h 5m
Seen 410 times · last seen Aug 9, 2026
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ORD → MLI · 1h 7m
Seen 174 times · last seen Jun 23, 2026
Plan this route

Other PHL → IAD flights

UA6235 UA4582 UA4588 UA4520 UA3693 UA4587 UA3593 UA4072

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 UA4584 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 UA4584 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.