How do I check if UA4631 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 UA4631 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 UA4631 have Starlink Wi-Fi?

About 71% Starlink odds, weighted to recent UA4631 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 UA4631 departures

SFO → SNA · Fri, Nov 6, 3:05 PM PST
N109SY · E175
Starlink
SFO → SNA · Sat, Nov 7, 3:05 PM PST
N153SY · E175
Starlink

UA4631 Starlink history

Based on 87 recent flights; Starlink found in 9 of 10 Wi-Fi checks since Apr 7, 2026 (last N786SK, Oct 26, 2026).

Aircraft seen on UA4631: Bombardier CRJ-550, Embraer E-175, Bombardier CRJ-200.

Routes UA4631 flies

SFO → SNA · 1h 41m
Seen 69 times · last seen Nov 6, 2026
Plan this route
ASE → ORD · 3h 8m
Seen 281 times · last seen Oct 24, 2026
Plan this route
CPR → DEN · 1h 40m
Seen 62 times · last seen Oct 31, 2026
Plan this route

Other SFO → SNA flights

UA5440 UA589 UA2441 UA5597 UA5237 UA5650 UA5405 UA571

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 UA4631 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 UA4631 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.