Does UA399 Have Starlink WiFi?

Not yet — recent UA399 departures were flown by aircraft still awaiting Starlink installation. Pick a date below for a live answer.

Check by flight number

New here? How the check works — and yes, Starlink WiFi is free.

Routes UA399 flies

IAHSFO · 4h 24m · seen 29 times · last seen May 17, 2026Plan this route →
KEFIAD · 6h 25m · seen 19 times · last seen Jun 24, 2026Plan this route →
DFWIAH · 1h 22m · seen 3 times · last seen May 12, 2026Plan this route →

Other flights on IAHSFO

Same route, different schedules — each flight number has its own aircraft history and Starlink record.

UA399 Starlink history

Starlink-equipped aircraft on 0 of 13 recently verified UA399 departures.

Aircraft recently seen on UA399: Boeing 757-200, Airbus A320, Boeing 737 MAX 9, Boeing 737 MAX 8.

See where the United Airlines rollout stands across every aircraft on the fleet page.

Check by tail number

If you know your aircraft's tail number (found on your boarding pass or the aircraft fuselage), search for it on the homepage tracker. The search bar filters all Starlink-equipped aircraft instantly.

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Install the free Chrome extension to see Starlink badges directly on Google Flights while you search for United flights. No extra steps needed.

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FAQ

How do I check if UA399 has Starlink?

Pick your travel date in the form above. Within ~2 days of departure the answer comes from the actual aircraft assigned to UA399; further out it's a probability from this flight number's recent aircraft history.

Is this information accurate?

We verify Starlink status against united.com and cross-reference with flight schedules from aviation data providers. Aircraft assignments can change, so check closer to your departure date for the most accurate results.