United Airlines operates flight UA3873 on 5 airport pairs: Chicago (ORD) to Chicago/Rockford (RFD), Houston (IAH) to Winston Salem (INT), Houston (IAH) to Melbourne (MLB), Melbourne (MLB) to Chicago (ORD), and 1 more. Our Starlink rating for this flight differs by airport pair. For ORD to RFD, the best-rated pair, it is likely. We tracked 5 recent United Airlines flights between ORD and RFD. None of the aircraft have been individually confirmed, so this rating uses United Airlines' published Starlink share for those aircraft types. 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 ORD to RFD: We tracked 5 recent United Airlines flights between ORD and RFD. None of the aircraft have been individually confirmed, so this rating uses United Airlines' published Starlink share for those aircraft types.
Equipped
Fleet Size
Coverage
Source: United's Starlink tracker, as of Nov 7, 2026
45 aircraft independently verified
For ORD to RFD: We tracked 5 recent United Airlines flights between ORD and RFD. None of the aircraft have been individually confirmed, so this rating uses United Airlines' published Starlink share for those aircraft types.
Likely means most of the evidence points to Starlink on this flight, but it is not certain.
Flight UA3873 flies 5 airport pairs, and the rating differs by pair.
We tracked 5 recent United Airlines flights between ORD and RFD. None of the aircraft have been individually confirmed, so this rating uses United Airlines' published Starlink share for those aircraft types.
Typical aircraft: 737 MAX 9
We don't have enough evidence to rate this route yet.
Typical aircraft: A320
We don't have enough evidence to rate this route yet.
Typical aircraft: A319
We don't have enough evidence to rate this route yet.
Typical aircraft: 737-800
We don't have enough evidence to rate this route yet.
Typical aircraft: 777-300ER
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Rating: Likely. This is our rating that this specific flight has Starlink. For ORD to RFD: We tracked 5 recent United Airlines flights between ORD and RFD. None of the aircraft have been individually confirmed, so this rating uses United Airlines' published Starlink share for those aircraft types.
Aircraft that operated UA3873 in the last 90 days, from our weekly flight tracking.
| Aircraft | Type | Last week seen | Starlink |
|---|---|---|---|
| N33103 | 757-200 | Nov 2, 2026 | Not confirmed |
| N669UA | 767-300 | Nov 2, 2026 | Not confirmed |
| N76502 | 737-800 | Nov 2, 2026 | Not confirmed |
| N816UA | A319 | Nov 2, 2026 | Not confirmed |
| N830UA | A319 | Nov 2, 2026 | Not confirmed |
| N14235 | 737-800 | Oct 26, 2026 | Not confirmed |
| N18223 | 737-800 | Sep 28, 2026 | Not confirmed |
| N77014 | 777-200 | Aug 24, 2026 | Not confirmed |
| N822UA | A319 | Aug 17, 2026 | Not confirmed |
| N826UA | A319 | Aug 17, 2026 | Not confirmed |
Check the Starlink rating on other United Airlines routes.
Our Starlink rating for flight UA3873 differs by airport pair. ORD to RFD is likely, IAH to INT is unknown, IAH to MLB is unknown, MLB to ORD is unknown, XMN to SFO is unknown. For ORD to RFD: We tracked 5 recent United Airlines flights between ORD and RFD. None of the aircraft have been individually confirmed, so this rating uses United Airlines' published Starlink share for those aircraft types. 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 UA3873 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 UA3873 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 ORD to RFD: We tracked 5 recent United Airlines flights between ORD and RFD. None of the aircraft have been individually confirmed, so this rating uses United Airlines' published Starlink share for those aircraft types. 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.
