UA3900United Airlines · EWR → ORD
updated 20m ago
Route confirmed United Airlines

UA3900 New YorkEWR ChicagoORD · 11:38

UA3900 by United Airlines flies from New York (EWR) to Chicago (ORD) for the Mon, Nov 2 departure.

Right nowLanded in Chicago · today
11:35

arrived at ORD · 3 min early

The route today

live boards
EWRNew YorkOn-time likelyEWR delay board →
ORDChicagoOn-time likelyORD delay board →
EWR→ORDevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
63%Chance of 15+ min delay
7.1%Chance of cancellation
+62 minTypical airport delay in this weather

Driven mainly by ORD (Chicago), currently flying IFR (instrument). These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at EWR

Forecast

Tue 3 Nov, local date

High21°Clikely 19°C to 23°C
Low9°Clikely 7°C to 11°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at ORD

Forecast

Tue 3 Nov, local date

High22°Clikely 20°C to 23°C
Low17°Clikely 14°C to 19°C
  • 90% chance of rain
  • Gusts to 32 kt

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other New York to Chicago flights today

same route · United Airlines
UA530departs 06:00
UA2431departs 07:15
UA2754departs 07:17
UA2488departs 08:00
UA2290departs 09:10
UA1525departs 10:22

If UA3900 is cancelled, these are the other United Airlines nonstop flights from New York to Chicago on the same day, with scheduled departure times in EWR local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How UA3900 actually runs

Pro Flight Search has tracked every published board update for UA3900 across the EWR and ORD boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 1 completed leg so far: landed -3 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA3900 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
11-02EWR ORD 11:38 11:35 (−3)

Board clocks recorded as EWR and ORD published them.

Planning around UA3900? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: UA3900 New York to Chicago on-time performance, measured from the EWR and ORD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA3900
How we measure this →