Are you looking for the June 3rd, 2026 AS 4459 Philadelphia to Chicago flight? Click here to go to our AS4459 Philadelphia to Chicago Flight Status page >

AS 4459 Chicago to Buffalo Flight Status

Alaska Airlines Flight AS4459 from Chicago O'Hare International Airport ORD to Buffalo Niagara International Airport BUF is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on February 11th, 2026.
Check the table below for AS4459's most recent flight history:

AS 4459 Flight Status & Schedule

Date Departure Arrival Status
Feb 11 14:48 16:57
Landed Late
Track >
Feb 10 14:10 16:13
Landed
Track >
Feb 09 14:06 16:14
Landed
Track >
Feb 08 14:05 16:16
Landed
Track >
Feb 07 14:04 16:14
Landed
Track >

Alaska Airlines AS 4459 Chicago to Buffalo Flight Information

Alaska Airlines Flight AS4459 connects Chicago, United States to Buffalo, United States, taking off from Chicago O'Hare International Airport ORD and landing at Buffalo Niagara International Airport BUF.

How long is the AS4459 flight from Chicago to Buffalo?

The average flight time from Chicago to Buffalo is 1 hour and 10 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 633 km/h / 393 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4459 Chicago to Buffalo?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4459 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest AS4459 flight?

The latest flight took off on Wednesday, February 11th, 2026 with the flight status being Landed on 16:57.

How else can the flight AS4459 be referenced as?

This Alaska Airlines flight can also be referenced as ASA4459, AS 4459, ASA 4459.

How often is flight AS4459 delayed?

On average, 30% of all AS4459 flights are delayed. The average delay is 35 minutes.

Can I get compensation for my delayed or cancelled AS4459 flight or baggage issues?

If your AS4459 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 AS4459 Flight Tracker above for more details.

AS4459 and Chicago ORD to Buffalo BUF Flights

Other flights departing from Chicago ORD: AA3994, AA3691, AA4555, UA1176

Other flights arriving at Buffalo BUF: WN719, AA3691, UA4449, DL1749

All flights connecting Chicago ORD to Buffalo BUF.

AS4459 Alaska Airlines Flight: Chicago to Buffalo Route Map

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.