How do I check if UA688 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 UA688 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 UA688 have Starlink Wi-Fi?

About 31% Starlink odds, weighted to recent UA688 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 UA688 departures

IAD → BOS · Mon, Oct 19, 5:15 PM EDT
N75436 · 737-900
Starlink
IAD → BOS · Tue, Oct 20, 5:15 PM EDT
N28478 · 737-900
Starlink

UA688 Starlink history

Based on 113 recent flights; Starlink found in 5 of 17 Wi-Fi checks since Jan 16, 2026 (last N45440, Oct 8, 2026).

Aircraft seen on UA688: Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737 MAX 8, Airbus A320.

Routes UA688 flies

IAD → BOS · 1h 51m
Seen 419 times · last seen Oct 19, 2026
Plan this route
LAS → IAD · 4h 39m
Seen 38 times · last seen May 14, 2026
Plan this route

Other IAD → BOS flights

UA3503 UA1392 UA641 UA3552 UA3615 UA3551 UA755 UA3750

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 UA688 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 UA688 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.