AS 4378 Houston to Chicago Flight Status

Alaska Airlines Flight AS4378 from Houston George Bush Intercontinental Airport IAH to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 4th, 2025.
Check the table below for AS4378's most recent flight history:

AS 4378 Flight Status & Schedule

Date Departure Arrival Status
Jun 04 13:44 15:54
Landed
Track >
Jun 03 13:33 15:51
Landed
Track >
Jun 02 15:37 17:47
Landed Late
Track >
Jun 01 13:34 15:41
Landed
Track >

Alaska Airlines AS 4378 Houston to Chicago Flight Information

Alaska Airlines Flight AS4378 connects Houston, United States to Chicago, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Chicago O'Hare International Airport ORD.

How long is the AS4378 flight from Houston to Chicago?

The average flight time from Houston to Chicago is 2 hours and 11 minutes. The flight distance is 1490 km / 926 miles and the average flight speed is 682 km/h / 424 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4378 Houston to Chicago?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4378 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS4378 arriving at?

Flight AS4378 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.

When was the latest AS4378 flight?

The latest flight took off on Wednesday, June 4th, 2025 with the flight status being Landed on 15:54.

How else can the flight AS4378 be referenced as?

This Alaska Airlines flight can also be referenced as ASA4378, AS 4378, ASA 4378.

How often is flight AS4378 delayed?

On average, 25% of all AS4378 flights are delayed. The average delay is 95 minutes.

Can I get compensation for my delayed or cancelled AS4378 flight or baggage issues?

If your AS4378 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 AS4378 Flight Tracker above for more details.

AS4378 and Houston IAH to Chicago ORD Flights

Incoming flight is AA2337 Chicago ORD to Houston IAH.

This is a multi leg flight of Alaska Airlines AS4378. Previous leg is Chicago to Houston

Other flights departing from Houston IAH: UA1939, AA2365, B6382, NK2399

Other flights arriving at Chicago ORD: AA2365, AA3433, AA5826, AA5876

All flights connecting Houston IAH to Chicago ORD.

AS4378 Alaska Airlines Flight: Houston to Chicago Route Map

AS4378 Alaska Airlines Flight Map: Houston to Chicago
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.