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AS 4378 Memphis to Philadelphia Flight Status

Alaska Airlines Flight AS4378 from Memphis International Airport MEM to Philadelphia International Airport PHL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on March 14th, 2026.
Check the table below for AS4378's most recent flight history:

AS 4378 Flight Status & Schedule

Date Departure Arrival Status
Mar 14 11:41 14:41
Landed
Track >
Mar 07 12:45 15:43
Landed Late
Track >
Feb 28 11:24 14:28
Landed
Track >
Feb 21 11:24 14:10
Landed
Track >
Feb 14 11:25 14:38
Landed
Track >

Alaska Airlines AS 4378 Memphis to Philadelphia Flight Information

Alaska Airlines Flight AS4378 connects Memphis, United States to Philadelphia, United States, taking off from Memphis International Airport MEM and landing at Philadelphia International Airport PHL.

How long is the AS4378 flight from Memphis to Philadelphia?

The average flight time from Memphis to Philadelphia is 1 hour and 58 minutes. The flight distance is 1405 km / 873 miles and the average flight speed is 713 km/h / 443 mph.

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

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4378 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS4378 arriving at?

Flight AS4378 arrives at Philadelphia International Airport (PHL) Terminal C.

When was the latest AS4378 flight?

The latest flight took off on Saturday, March 14th, 2026 with the flight status being Landed on 14:41.

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, 17% of all AS4378 flights are delayed. The average delay is 52 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 Memphis MEM to Philadelphia PHL Flights

Other flights departing from Memphis MEM: AA3758, AA4516, DL3747, DL5592

Other flights arriving at Philadelphia PHL: UA4285, AA4516, F948, AA5587

All flights connecting Memphis MEM to Philadelphia PHL.

AS4378 Alaska Airlines Flight: Memphis to Philadelphia Route Map

AS4378 Alaska Airlines Flight Map: Memphis to Philadelphia
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.