AS4542 Flight Status Alaska Airlines: Washington to Buffalo (ASA4542)

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AS 4542 Washington to Buffalo Flight Status

Alaska Airlines Flight AS4542 from Washington Ronald Reagan National Airport DCA to Buffalo Niagara International Airport BUF is not scheduled for today October 17th, 2026.
The last time the flight was scheduled was on August 4th, 2026.
Check the table below for AS4542's most recent flight history:

AS 4542 Flight Status & Schedule Alaska Airlines Washington to Buffalo

Date	From	To	Departure	Arrival	Status
Aug 04	DCA	BUF	22:51	23:41	Landed	Track >
Aug 03	DCA	BUF	23:57	00:45	Delayed	Track >
Aug 02	DCA	BUF	23:24	00:13	Landed	Track >
Jul 30	DCA	BUF	22:52	23:46	Landed	Track >
Jul 29	DCA	BUF	22:48	23:40	Landed	Track >
Jul 28	DCA	BUF	22:52	23:47	Landed	Track >
Jul 27	DCA	BUF	23:10	00:10	Landed	Track >
Jul 26	DCA	BUF	23:05	23:57	Landed	Track >
Jul 25	DCA	BUF	20:04	20:55	Landed	Track >
Jul 23	DCA	BUF	22:44	23:34	Landed	Track >

< All Washington DCA Departures All Buffalo BUF Arrivals >

Alaska Airlines AS 4542 Washington to Buffalo Flight Information

Alaska Airlines Flight AS4542 connects Washington, United States to Buffalo, United States, taking off from Washington Ronald Reagan National Airport DCA and landing at Buffalo Niagara International Airport BUF.

How long is the AS4542 flight from Washington to Buffalo?

The average flight time from Washington to Buffalo is 52 minutes. The flight distance is 476 km / 296 miles and the average flight speed is 551 km/h / 342 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4542 Washington to Buffalo?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4542 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest AS4542 flight?

The latest flight took off on Wednesday, August 5th, 2026 with the flight status being Landed on 23:41.

How else can the flight AS4542 be referenced as?

This Alaska Airlines flight can also be referenced as ASA4542, AS 4542, ASA 4542.

How often is flight AS4542 delayed?

On average, 30% of all AS4542 flights are delayed. The average delay is 23 minutes.

Can I get compensation for my delayed or cancelled AS4542 flight or baggage issues?

If your AS4542 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 AS4542 Flight Tracker above for more details.

AS4542 and Washington DCA to Buffalo BUF Flights

Other flights departing from Washington DCA: OH5028, MQ4131, UA2638, UA4430

Other flights arriving at Buffalo BUF: MQ4131, AA403, YX3516, YX3529

All flights connecting Washington DCA to Buffalo BUF.

AS4542 Alaska Airlines Flight: Washington to Buffalo Route Map

AS4542 Alaska Airlines Flight Map: Washington to Buffalo

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >

New Flights: 5E2950 DK417 5H3861 SG9133 6K372 5O102 6G712 5A1032 FH7166 A36293

Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.