FlightWifiSITA OnAir / Inmarsat GX in-flight Wi-Fi
The GX Aviation Ka-band network (now under Viasat ownership) delivered through SITA and other integrators, common outside North America.
- Orbit
- Geostationary (GEO) Ka-band
- Typical latency
- roughly 600 ms and up
How it works
- ·Global Xpress Ka-band GEO satellites provide worldwide coverage.
- ·Often paired with mobile-network OnAir services for messaging tiers.
Airlines flying SITA OnAir / Inmarsat GX (21)
| Airline | Where | Verdict |
|---|---|---|
| Air Côte d'Ivoire | A320, A330 | Email & browsing |
| Air New Zealand | 777, 787, A321 | Email & browsing |
| AirAsia | A320, A321 | Email & browsing |
| China Airlines | A321 | Email & browsing |
| Condor | A330 | Email & browsing |
| Corsair | A330 | Email & browsing |
| Discover Airlines | A320, A321 | Email & browsing |
| Ethiopian Airlines | A350 | Email & browsing |
| Eurowings | A319, A320, A321 | Email & browsing |
| Garuda Indonesia | A330 | Email & browsing |
| Kuwait Airways | A320, A321 | Email & browsing |
| Oman Air | 787 | Email & browsing |
| Philippine Airlines | 777, A350, A330, A321 | Email & browsing |
| Qatar Airways | 787 | Varies by aircraft |
| RwandAir | A330 | Email & browsing |
| Singapore Airlines | A380, A350, 777 | Email & browsing |
| SriLankan Airlines | A330 | Not on every aircraft |
| StarFlyer | A320 | Email & browsing |
| STARLUX Airlines | A350, A330, A321 | Email & browsing |
| Thai AirAsia | A320, A321 | Email & browsing |
| Thai Airways | A330 | Email & browsing |
Announced or planned (1)
SITA OnAir / Inmarsat GX questions
Is SITA OnAir / Inmarsat GX Wi-Fi fast enough for video calls?
Usually not. The satellite sits roughly 36,000 km up, so latency runs roughly 600 ms and up, which breaks live video even when bandwidth is fine. Browsing, email and messaging work well.
Which airlines use SITA OnAir / Inmarsat GX?
As of September 2026, 21 airlines in the registry are flying SITA OnAir / Inmarsat GX: Air Côte d'Ivoire, Air New Zealand, AirAsia, China Airlines, Condor, Corsair, Discover Airlines, Ethiopian Airlines and more. Another 1 has announced or planned it.
Know before you book.
FlightWifi shows these verdicts inline on Google Flights, Skyscanner and Rift, matched to the exact aircraft on your flight.
The extension itself runs in Chrome on a computer. What it does.