3900 — flight status & live tracker
Track 3900 in real time on the ScanFlyGo live map. If the aircraft is airborne and within coverage, you’ll see its exact position, altitude, speed and heading along the New York–Chicago route.
Route
3900 is operated by Envoy Air and flies from Newark Liberty International Airport (EWR/KEWR) to Chicago O'Hare International Airport (ORD/KORD). Compare fares on this route →
Other flights we track on EWR–ORD: UA1793.
What a seat on New York → Chicago costs right now
Cheapest one-way fares found on this route in the last 48 hours, across 2 carrier(s). Prices move — open one to see live availability.
Fares are one-way, found by other travellers in the last 48 hours, and change constantly. ScanFlyGo earns a commission if you book — it costs you nothing extra.
Keep exploring
- Live traffic at Newark Liberty International Airport (EWR)
- Live traffic at Chicago O'Hare International Airport (ORD)
- New York → Chicago fare calendar
Frequently asked questions
How do I track flight 3900 live?
Open the ScanFlyGo live map for 3900 to see its current position, altitude and speed in real time. If the flight is airborne and within ADS-B coverage it appears on the map on the New York–Chicago route.
What route does 3900 fly?
3900 (Envoy Air) operates New York (EWR/KEWR) to Chicago (ORD/KORD).
Is flight 3900 on time?
ScanFlyGo shows live aircraft position rather than airline schedule data. For exact departure and arrival times and delays, check the airline’s website — but the live map tells you instantly whether 3900 is already in the air and where it is.
Is tracking 3900 free?
Yes — ScanFlyGo flight tracking is free with no app or account, on desktop and mobile.
Positions come from community ADS-B networks for information and entertainment only — not for navigation. Coverage may be incomplete or delayed.