United Airlines operates flight UA3891 on 3 airport pairs: Chicago/Rockford (RFD) to Chicago (ORD), Chicago (ORD) to Winston Salem (INT), and Newark (EWR) to Winston Salem (INT). Our Starlink rating for this flight differs by airport pair. For RFD to ORD, the best-rated pair, it is possible. We tracked 5 recent United Airlines flights between RFD and ORD. 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 RFD to ORD: We tracked 5 recent United Airlines flights between RFD and ORD. 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 RFD to ORD: We tracked 5 recent United Airlines flights between RFD and ORD. None of the aircraft have been individually confirmed, so this rating uses United Airlines' published Starlink share for those aircraft types.
Possible means the evidence is mixed or thin. Some aircraft on this route may have Starlink and some may not.
Flight UA3891 flies 3 airport pairs, and the rating differs by pair.
We tracked 5 recent United Airlines flights between RFD and ORD. None of the aircraft have been individually confirmed, so this rating uses United Airlines' published Starlink share for those aircraft types.
Typical aircraft: 737-800
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
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Rating: Possible. This is our rating that this specific flight has Starlink. For RFD to ORD: We tracked 5 recent United Airlines flights between RFD and ORD. None of the aircraft have been individually confirmed, so this rating uses United Airlines' published Starlink share for those aircraft types.
Aircraft that operated UA3891 in the last 90 days, from our weekly flight tracking.
Check the Starlink rating on other United Airlines routes.
Our Starlink rating for flight UA3891 differs by airport pair. RFD to ORD is possible, ORD to INT is unknown, EWR to INT is unknown. For RFD to ORD: We tracked 5 recent United Airlines flights between RFD and ORD. 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 UA3891 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 UA3891 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 RFD to ORD: We tracked 5 recent United Airlines flights between RFD and ORD. 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.
