UA1923 PortlandPDX · 10:35 Chicago/O'HareORD · 16:48
UA1923 by United Airlines flies from Portland (PDX) to Chicago/O'Hare (ORD) for the Sun, Sep 20 departure.
arrived at ORD · 4 min late
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by ORD (Chicago/O'Hare), currently flying IFR (instrument). For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Portland to Chicago/O'Hare flights today
same route · United AirlinesIf UA1923 is cancelled, these are the other United Airlines nonstop flights from Portland to Chicago/O'Hare on the same day, with scheduled departure times in PDX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA1923 actually runs
Pro Flight Search has tracked every published board update for UA1923 across the PDX and ORD boards: schedule changes, gate pushes and actual clocks. Usually lands ~37 min late. Based on 4 confirmed landings · 1/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA1923 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as PDX and ORD published them.
Planning around UA1923? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — UA1923 Portland to Chicago/O'Hare on-time performance, measured from the PDX and ORD airport boards.
https://proflightsearch.com/flight/UA1923