AS 4478 Chicago to Milwaukee Flight Status

Alaska Airlines Flight AS4478 from Chicago O'Hare International Airport ORD to Milwaukee General Mitchell International Airport MKE is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on September 1st, 2025.
Check the table below for AS4478's most recent flight history:

AS 4478 Flight Status & Schedule

Date Departure Arrival Status
Sep 01 20:36 20:54
Landed
Track >
Aug 31 20:36 20:57
Landed
Track >
Aug 29 22:19 21:19
Unknown
Track >
Aug 28 20:45 21:04
Landed
Track >
Aug 25 20:14 21:19
Scheduled
Track >

Alaska Airlines AS 4478 Chicago to Milwaukee Flight Information

Alaska Airlines Flight AS4478 connects Chicago, United States to Milwaukee, United States, taking off from Chicago O'Hare International Airport ORD and landing at Milwaukee General Mitchell International Airport MKE.

How long is the AS4478 flight from Chicago to Milwaukee?

The average flight time from Chicago to Milwaukee is 18 minutes. The flight distance is 108 km / 67 miles and the average flight speed is 258 km/h / 160 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4478 Chicago to Milwaukee?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4478 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest AS4478 flight?

The latest flight took off on Tuesday, September 2nd, 2025 with the flight status being Landed on 20:54.

How else can the flight AS4478 be referenced as?

This Alaska Airlines flight can also be referenced as ASA4478, AS 4478, ASA 4478.

How often is flight AS4478 delayed?

On average, 12% of all AS4478 flights are delayed. The average delay is 50 minutes.

Can I get compensation for my delayed or cancelled AS4478 flight or baggage issues?

If your AS4478 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 AS4478 Flight Tracker above for more details.

AS4478 and Chicago ORD to Milwaukee MKE Flights

Other flights departing from Chicago ORD: AA4986, AA6257, AA3366, AA2165

Other flights arriving at Milwaukee MKE: DL5683, AA5439, NK2199, AA6257

All flights connecting Chicago ORD to Milwaukee MKE.

AS4478 Alaska Airlines Flight: Chicago to Milwaukee Route Map

AS4478 Alaska Airlines Flight Map: Chicago to Milwaukee
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.