OO 4988 Chicago to Milwaukee Flight Status

SkyWest Airlines Flight OO4988 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 August 4th, 2025.
Check the table below for OO4988's most recent flight history:

OO 4988 Flight Status & Schedule

Date Departure Arrival Status
Aug 04 16:35 17:27
Scheduled
Track >
Aug 03 17:08 17:29
Landed
Track >
Aug 01 18:01 18:21
Landed Late
Track >
Jul 25 16:35 17:27
En-Route
Track >

SkyWest Airlines OO 4988 Chicago to Milwaukee Flight Information

SkyWest Airlines Flight OO4988 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 OO4988 flight from Chicago to Milwaukee?

The average flight time from Chicago to Milwaukee is 20 minutes. The flight distance is 108 km / 67 miles and the average flight speed is 220 km/h / 137 mph.

What is the On-Time Performance (OTP) of SkyWest Airlines Flight OO4988 Chicago to Milwaukee?

The Airportia On-Time Performance Rating for SkyWest Airlines Flight OO4988 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest OO4988 flight?

The latest flight took off on Monday, August 4th, 2025 with the flight status being Scheduled on 17:27.

How else can the flight OO4988 be referenced as?

This SkyWest Airlines flight can also be referenced as SKW4988, OO 4988, SKW 4988.

How often is flight OO4988 delayed?

On average, 50% of all OO4988 flights are delayed. The average delay is 28 minutes.

Can I get compensation for my delayed or cancelled OO4988 flight or baggage issues?

If your OO4988 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 OO4988 Flight Tracker above for more details.

OO4988 and Chicago ORD to Milwaukee MKE Flights

Other flights departing from Chicago ORD: NK1871, AA4988, NK1370, NK1184

Other flights arriving at Milwaukee MKE: WN3381, WN4723, DL5184, AA4988

All flights connecting Chicago ORD to Milwaukee MKE.

OO4988 SkyWest Airlines Flight: Chicago to Milwaukee Route Map

OO4988 SkyWest 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.