How do I check if UA599 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 UA599 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 UA599 have Starlink Wi-Fi?

About 21% Starlink odds, weighted to recent UA599 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 UA599 departures

SFO → IAD · Tue, Oct 20, 8:10 AM PDT
N37437 · 737-900
Starlink

UA599 Starlink history

Based on 150 recent flights; Starlink found in 7 of 32 Wi-Fi checks since Apr 3, 2026 (last N68811, Oct 14, 2026).

Aircraft seen on UA599: Boeing 757-300, Boeing 737-900ER, Boeing 787-9, Airbus A321neo.

Routes UA599 flies

SFO → IAD · 5h 25m
Seen 96 times · last seen Oct 19, 2026
Plan this route
IAD → DEN · 4h 6m
Seen 232 times · last seen Oct 11, 2026
Plan this route

Other SFO → IAD flights

UA2861 UA2837 UA357 UA1791 UA1453 UA705 UA2111 UA755

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 UA599 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 UA599 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.