K4551 AnchorageANC ChicagoORD · 12:05
K4551 by ALS – Aircraft Leasing Services flies from Anchorage (ANC) to Chicago (ORD).
scheduled from ANC
Where the minutes go
last 5 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival +34 min · 0 cancelled · 5 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at ANC and ORD 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 Anchorage to Chicago flights
same route · ALS – Aircraft Leasing ServicesIf K4551 is cancelled, these are the other ALS – Aircraft Leasing Services nonstop flights from Anchorage to Chicago, with scheduled departure times in ANC local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How K4551 actually runs
Pro Flight Search has tracked every published board update for K4551 across the ANC and ORD boards: schedule changes, gate pushes and actual clocks. Usually lands ~34 min late. Based on 5 confirmed landings · 2/5 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how K4551 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 ANC and ORD published them.
Planning around K4551? 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 — K4551 Anchorage to Chicago on-time performance, measured from the ANC and ORD airport boards.
https://proflightsearch.com/flight/K4551
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