UA3661 PittsburghPIT · 16:11 ChicagoORD · 17:02
UA3661 by United Airlines flies from Pittsburgh (PIT) to Chicago (ORD) for the Sat, Sep 19 departure.
arrival expected at ORD · on schedule
board checked 59m ago · checking again in 45s
Where the minutes go
last 3 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), currently flying MVFR (marginal visual). 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 Pittsburgh to Chicago flights today
same route · United AirlinesIf UA3661 is cancelled, these are the other United Airlines nonstop flights from Pittsburgh to Chicago on the same day, with scheduled departure times in PIT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA3661 actually runs
Pro Flight Search has tracked every published board update for UA3661 across the PIT and ORD boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left noticeably late (~39 min) but landed a little late (~20 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how UA3661 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N791YX, N731YX, N765YX.
Board clocks recorded as PIT and ORD published them.
Planning around UA3661? 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 — UA3661 Pittsburgh to Chicago on-time performance, measured from the PIT and ORD airport boards.
https://proflightsearch.com/flight/UA3661
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