CZ428 ChicagoORD · 02:30 ShanghaiPVG
CZ428 by China Southern Airlines flies from Chicago (ORD) to Shanghai (PVG) for the Tue, Sep 22 departure.
departs ORD · on schedule
board checked 3m ago · checking again in 45s
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
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at ORD and PVG are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Chicago to Shanghai flights today
same route · China Southern AirlinesIf CZ428 is cancelled, these are the other China Southern Airlines nonstop flights from Chicago to Shanghai on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How CZ428 actually runs
Pro Flight Search has tracked every published board update for CZ428 across the ORD and PVG boards: schedule changes, gate pushes and actual clocks. Usually departs ~75 min late. Based on 4 confirmed departures · 1/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CZ428 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 ORD and PVG published them.
Planning around CZ428? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CZ428 Chicago to Shanghai on-time performance, measured from the ORD and PVG airport boards.
https://proflightsearch.com/flight/CZ428
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