AS 4523 Philadelphia to Buffalo Flight Status

Alaska Airlines Flight AS4523 from Philadelphia International Airport PHL to Buffalo Niagara International Airport BUF is not scheduled for today July 2nd, 2026.
The last time the flight was scheduled was on May 20th, 2026.
Check the table below for AS4523's most recent flight history:

AS 4523 Flight Status & Schedule

Date Departure Arrival Status
May 20 21:50 23:19
Cancelled
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May 19 23:01 23:51
Landed
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May 18 21:59 22:53
Landed
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May 17 23:14 00:00
Delayed
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May 16 22:39 23:32
Landed
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Alaska Airlines AS 4523 Philadelphia to Buffalo Flight Information

Alaska Airlines Flight AS4523 connects Philadelphia, United States to Buffalo, United States, taking off from Philadelphia International Airport PHL and landing at Buffalo Niagara International Airport BUF.

How long is the AS4523 flight from Philadelphia to Buffalo?

The average flight time from Philadelphia to Buffalo is 53 minutes. The flight distance is 448 km / 279 miles and the average flight speed is 488 km/h / 303 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4523 Philadelphia to Buffalo?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4523 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest AS4523 flight?

The latest flight was scheduled for Thursday, May 21st, 2026 but was cancelled.

How else can the flight AS4523 be referenced as?

This Alaska Airlines flight can also be referenced as ASA4523, AS 4523, ASA 4523.

How often is flight AS4523 delayed?

On average, 60% of all AS4523 flights are delayed. The average delay is 24 minutes.

Can I get compensation for my delayed or cancelled AS4523 flight or baggage issues?

If your AS4523 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 AS4523 Flight Tracker above for more details.

AS4523 Flight Delay Compensation up to 600€!

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Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >

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AS4523 and Philadelphia PHL to Buffalo BUF Flights

Other flights departing from Philadelphia PHL: AA3038, AA4651, AA5898, AA6559

Other flights arriving at Buffalo BUF: UA2464, AA1724, UA3537, AA4651

All flights connecting Philadelphia PHL to Buffalo BUF.

AS4523 Alaska Airlines Flight: Philadelphia to Buffalo Route Map

AS4523 Alaska Airlines Flight Map: Philadelphia to Buffalo
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.