United Airlines operates flight UA3804 between San Juan (SJU) and Houston (IAH). This route is typically operated by a 737 MAX 9. Our Starlink rating for this flight is possible. We tracked 42 recent United Airlines flights between SJU and IAH. 1 of them used an aircraft confirmed to have Starlink, several confirmed by passenger speed tests. The other 41 flew on aircraft we have not checked. On the most recent figures we hold, Starlink is on 682 of United Airlines' 1,575 aircraft.
We tracked 42 recent United Airlines flights between SJU and IAH. 1 of them used an aircraft confirmed to have Starlink, several confirmed by passenger speed tests. The other 41 flew on aircraft we have not checked.
Equipped
Fleet Size
Coverage
Source: United's Starlink tracker, as of Nov 7, 2026
45 aircraft independently verified
We tracked 42 recent United Airlines flights between SJU and IAH. 1 of them used an aircraft confirmed to have Starlink, several confirmed by passenger speed tests. The other 41 flew on aircraft we have not checked.
Possible means the evidence is mixed or thin. Some aircraft on this route may have Starlink and some may not.
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Rating: Possible. This is our rating that this specific flight has Starlink. We tracked 42 recent United Airlines flights between SJU and IAH. 1 of them used an aircraft confirmed to have Starlink, several confirmed by passenger speed tests. The other 41 flew on aircraft we have not checked.
Aircraft that operated UA3804 in the last 90 days, from our weekly flight tracking.
| Aircraft | Type | Last week seen | Starlink |
|---|---|---|---|
| N44522 | A321neo | Nov 2, 2026 | Not confirmed |
Check the Starlink rating on other United Airlines routes.
Our Starlink rating for flight UA3804 is possible. We tracked 42 recent United Airlines flights between SJU and IAH. 1 of them used an aircraft confirmed to have Starlink, several confirmed by passenger speed tests. The other 41 flew on aircraft we have not checked. 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 UA3804 operates SJU to IAH. We rate flight UA3804 possible.
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 UA3804 is possible. The explanation is on this page.
The rating is a label, not a guarantee. It reflects the evidence we hold for the route. We tracked 42 recent United Airlines flights between SJU and IAH. 1 of them used an aircraft confirmed to have Starlink, several confirmed by passenger speed tests. The other 41 flew on aircraft we have not checked. 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.
