K4550 ChicagoORD · 03:05 TokyoNRT · 09:08
K4550 by ALS – Aircraft Leasing Services flies from Chicago (ORD) to Tokyo (NRT).
scheduled from ORD
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at ORD and NRT 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.
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 Tokyo flights today
same route · ALS – Aircraft Leasing ServicesIf K4550 is cancelled, these are the other ALS – Aircraft Leasing Services nonstop flights from Chicago to Tokyo 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 K4550 actually runs
Pro Flight Search has tracked every published board update for K4550 across the ORD and NRT boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left heavily delayed (~194 min) but landed right on schedule. Not enough to call it.
The verdict above is that record speaking, so it reflects how K4550 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: N716CK.
Board clocks recorded as ORD and NRT published them.
Planning around K4550? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — K4550 Chicago to Tokyo on-time performance, measured from the ORD and NRT airport boards.
https://proflightsearch.com/flight/K4550
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