United Airlines operates flight UA551 on 2 airport pairs: Houston (IAH) to George Town (GCM) and Los Angeles (LAX) to Bozeman (BZN). Our Starlink rating for this flight differs by airport pair. For IAH to GCM, the best-rated pair, it is very likely. Based on how many 737-800 aircraft at United Airlines have Starlink. The rating for each pair is listed below. On the most recent figures we hold, Starlink is on 682 of United Airlines' 1,575 aircraft.
For IAH to GCM: Based on how many 737-800 aircraft at United Airlines have Starlink.
Equipped
Fleet Size
Coverage
Source: United's Starlink tracker, as of Nov 7, 2026
45 aircraft independently verified
For IAH to GCM: Based on how many 737-800 aircraft at United Airlines have Starlink.
Very likely means the evidence strongly favors Starlink on this flight. It is not a guarantee, because airlines swap aircraft on the day.
Flight UA551 flies 2 airport pairs, and the rating differs by pair.
Based on how many 737-800 aircraft at United Airlines have Starlink.
Typical aircraft: 737-800
We tracked 23 recent United Airlines flights between LAX and BZN. None of the aircraft have been individually confirmed, so this rating uses United Airlines' published Starlink share for those aircraft types.
Typical aircraft: 737-900
These are facts about individual flights. They do not change the route rating above.
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Rating: Very likely. This is our rating that this specific flight has Starlink. For IAH to GCM: Based on how many 737-800 aircraft at United Airlines have Starlink.
Aircraft that operated UA551 in the last 90 days, from our weekly flight tracking. Showing 10 of 12.
| Aircraft | Type | Last week seen | Starlink |
|---|---|---|---|
| N17364 | 737 MAX 8 | Nov 2, 2026 | Not confirmed |
| N444UA | A320 | Nov 2, 2026 | Not confirmed |
| N492UA | A320 | Nov 2, 2026 | Not confirmed |
| N493UA | A320 | Nov 2, 2026 | Not confirmed |
| N813UA | A319 | Nov 2, 2026 | Not confirmed |
| N843UA | 737 MAX 9 | Nov 2, 2026 | Not confirmed |
| N13720 | 737 (other variants) | Oct 26, 2026 | Not confirmed |
| N855UA | A319 | Oct 26, 2026 | Not confirmed |
| N33209 | 737-800 | Sep 28, 2026 | Not confirmed |
| N78509 | 737-800 | Sep 28, 2026 | Confirmed |
Check the Starlink rating on other United Airlines routes.
Our Starlink rating for flight UA551 differs by airport pair. IAH to GCM is very likely, LAX to BZN is possible. For IAH to GCM: Based on how many 737-800 aircraft at United Airlines have Starlink. 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. We rate flight UA551 differently by airport pair.
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 UA551 differs by airport pair. The explanation is on this page.
The rating is a label, not a guarantee. It reflects the evidence we hold for the route. For IAH to GCM: Based on how many 737-800 aircraft at United 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.
