AS 4578 Chicago to Lexington Flight Status

Alaska Airlines Flight AS4578 from Chicago O'Hare International Airport ORD to Lexington Blue Grass Airport LEX is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on September 30th, 2025.
Check the table below for AS4578's most recent flight history:

AS 4578 Flight Status & Schedule

Date Departure Arrival Status
Sep 30 08:14 10:39
En-Route
Track >
Sep 29 08:37 10:30
Landed
Track >
Sep 28 08:27 10:19
Landed
Track >
Sep 27 08:21 10:14
Landed
Track >
Sep 26 08:19 10:12
Landed
Track >

Alaska Airlines AS 4578 Chicago to Lexington Flight Information

Alaska Airlines Flight AS4578 connects Chicago, United States to Lexington, United States, taking off from Chicago O'Hare International Airport ORD and landing at Lexington Blue Grass Airport LEX.

How long is the AS4578 flight from Chicago to Lexington?

The average flight time from Chicago to Lexington is 53 minutes. The flight distance is 521 km / 323 miles and the average flight speed is 563 km/h / 350 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4578 Chicago to Lexington?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4578 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest AS4578 flight?

The latest flight took off on Tuesday, September 30th, 2025 with the flight status being En-Route on 10:39.

How else can the flight AS4578 be referenced as?

This Alaska Airlines flight can also be referenced as ASA4578, AS 4578, ASA 4578.

How often is flight AS4578 delayed?

On average, 0% of all AS4578 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled AS4578 flight or baggage issues?

If your AS4578 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our AS4578 Flight Tracker above for more details.

AS4578 and Chicago ORD to Lexington LEX Flights

Other flights departing from Chicago ORD: AA3722, AA4182, AA4971, AA4915

Other flights arriving at Lexington LEX: DL4974, AA4971, AA5190, AA5208

All flights connecting Chicago ORD to Lexington LEX.

AS4578 Alaska Airlines Flight: Chicago to Lexington Route Map

AS4578 Alaska Airlines Flight Map: Chicago to Lexington
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.