United Airlines operates flight UA6221 between Acapulco (ACA) and Houston (IAH). This route is typically operated by an E175. Our Starlink rating for this flight is likely. Our records show Starlink on all of United Airlines' E175 aircraft, the type scheduled on this route. We have not yet tracked a flight on this route. On the most recent figures we hold, Starlink is on 665 of United Airlines' 1,575 aircraft.
Our records show Starlink on all of United Airlines' E175 aircraft, the type scheduled on this route. We have not yet tracked a flight on this route.
Equipped
Fleet Size
Coverage
Source: United's Starlink tracker, as of Oct 29, 2026
44 aircraft independently verified
Our records show Starlink on all of United Airlines' E175 aircraft, the type scheduled on this route. We have not yet tracked a flight on this route.
Likely means most of the evidence points to Starlink on this flight, but it is not certain.
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Rating: Likely. This is our rating that this specific flight has Starlink. Our records show Starlink on all of United Airlines' E175 aircraft, the type scheduled on this route. We have not yet tracked a flight on this route.
Check the Starlink rating on other United Airlines routes.
Our Starlink rating for flight UA6221 is likely. Our records show Starlink on all of United Airlines' E175 aircraft, the type scheduled on this route. We have not yet tracked a flight on this route. United Airlines is actively rolling out Starlink across its fleet. Check back as our data updates.
United Airlines uses Starlink satellite WiFi on equipped aircraft. Flight UA6221 operates ACA to IAH. We rate flight UA6221 likely.
The most reliable method is to check your specific aircraft. Flight-tracking sites and some airline apps show the aircraft registration close to departure. You can search that registration on StarlinkFlights.com. Our rating for flight UA6221 is likely. The explanation is on this page.
The rating is a label, not a guarantee. It reflects the evidence we hold for the route. Our records show Starlink on all of United Airlines' E175 aircraft, the type scheduled on this route. We have not yet tracked a flight on this route. Passenger speed tests and aircraft records for this specific flight are listed on this page as evidence. They do not change the rating.
No rating can guarantee a specific aircraft. Airlines swap aircraft for maintenance, operations or schedule changes, so an equipped aircraft can be replaced by one without Starlink on the day. A high rating means the evidence favors Starlink, but it is not a guarantee. On the day of departure, check the airline's gate display or app.
