Southwest Airlines operates flight WN4030 on 3 airport pairs: San Juan (SJU) to Austin (AUS), Dallas (DAL) to Midland (MAF), and San Francisco (SFO) to San Diego (SAN). Our Starlink rating for this flight is very unlikely on all 3 airport pairs. For SJU to AUS: Based on how many 737-800 aircraft at Southwest Airlines have Starlink. On the most recent figures we hold, Starlink is on 21 of Southwest Airlines' 817 aircraft.
For SJU to AUS: Based on how many 737-800 aircraft at Southwest Airlines have Starlink.
Equipped
Fleet Size
Coverage
Southwest Airlines last published 13; 21 aircraft independently verified.
For SJU to AUS: Based on how many 737-800 aircraft at Southwest Airlines have Starlink.
Very unlikely means the evidence points to an aircraft without Starlink today. That can change as the airline equips more aircraft.
Flight WN4030 flies 3 airport pairs, and the rating is the same on every one.
Typical aircraft: 737-800
Typical aircraft: 737 (other variants)
Typical aircraft: 737 (other variants)
No spam. One email when coverage on SJU→AUS updates.
Rating: Very unlikely. This is our rating that this specific flight has Starlink. For SJU to AUS: Based on how many 737-800 aircraft at Southwest Airlines have Starlink.
Aircraft that operated WN4030 in the last 90 days, from our weekly flight tracking.
| Aircraft | Type | Last week seen | Starlink |
|---|---|---|---|
| N8526W | 737 MAX 8 | Oct 5, 2026 | Not confirmed |
Check the Starlink rating on other Southwest Airlines routes.
Our Starlink rating for flight WN4030 is very unlikely on all 3 airport pairs. For SJU to AUS: Based on how many 737-800 aircraft at Southwest Airlines have Starlink. Southwest Airlines is actively rolling out Starlink across its fleet. Check back as our data updates.
Southwest Airlines uses Starlink satellite WiFi on equipped aircraft. We rate flight WN4030 very unlikely on all 3 airport pairs.
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 WN4030 is very unlikely on all 3 airport pairs. The explanation is on this page.
The rating is a label, not a guarantee. It reflects the evidence we hold for the route. For SJU to AUS: Based on how many 737-800 aircraft at Southwest Airlines have Starlink. 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.
