How do I check if UA4638 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 UA4638 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 UA4638 have Starlink Wi-Fi?

Over 99% Starlink odds, weighted to recent UA4638 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 UA4638 departures

ORD → COS · Thu, Oct 8, 7:47 PM CDT
N205SY · E175
Starlink
ORD → COS · Fri, Oct 9, 7:47 PM CDT
N152SY · E175
Starlink

UA4638 Starlink history

Based on 93 recent flights; Starlink found in 31 of 35 Wi-Fi checks since Jan 2, 2026 (last N141SY, Sep 29, 2026).

Aircraft seen on UA4638: Embraer E-175, Mitsubishi CRJ-200LR.

Routes UA4638 flies

ORD → COS · 3h 6m
Seen 2,063 times · last seen Oct 8, 2026
Plan this route
ABQ → IAH · 2h 11m
Seen 36 times · last seen May 16, 2026
Plan this route

Other ORD → COS flights

UA1082 UA5365 UA5209

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 UA4638 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 UA4638 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.