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AS4203 Flight Status Alaska Airlines: St. Thomas to Philadelphia (ASA4203)

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AS 4203 St. Thomas to Philadelphia Flight Status

Alaska Airlines Flight AS4203 from St. Thomas Cyril E. King Airport STT to Philadelphia International Airport PHL is not scheduled for today July 18th, 2026.
The last time the flight was scheduled was on March 7th, 2026.
Check the table below for AS4203's most recent flight history:

AS 4203 Flight Status & Schedule

Date Departure Arrival Status
Mar 07 14:07 16:41
Landed
 Track >
Mar 06 15:45 18:27
Landed
 Track >
Feb 28 14:12 16:44
Landed
 Track >
Feb 27 15:23 18:06
Landed
 Track >
Jan 02 14:34 17:31
Landed
 Track >
< All STT Departures All PHL Arrivals >

Alaska Airlines AS 4203 St. Thomas to Philadelphia Flight Information

Alaska Airlines Flight AS4203 connects St. Thomas, U.S. Virgin Islands to Philadelphia, United States, taking off from St. Thomas Cyril E. King Airport STT and landing at Philadelphia International Airport PHL.

How long is the AS4203 flight from St. Thomas to Philadelphia?

The average flight time from St. Thomas to Philadelphia is 3 hours and 41 minutes. The flight distance is 2589 km / 1609 miles and the average flight speed is 702 km/h / 437 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4203 St. Thomas to Philadelphia?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4203 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS4203 arriving at?

Flight AS4203 arrives at Philadelphia International Airport (PHL) Terminal C.

When was the latest AS4203 flight?

The latest flight took off on Saturday, March 7th, 2026 with the flight status being Landed on 16:41.

How else can the flight AS4203 be referenced as?

This Alaska Airlines flight can also be referenced as ASA4203, AS 4203, ASA 4203.

How often is flight AS4203 delayed?

On average, 14% of all AS4203 flights are delayed. The average delay is 18 minutes.

Can I get compensation for my delayed or cancelled AS4203 flight or baggage issues?

If your AS4203 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 AS4203 Flight Tracker above for more details.

AS4203 and St. Thomas STT to Philadelphia PHL Flights

Other flights departing from St. Thomas STT: AA2213, DL407, WN1585, 9K55

Other flights arriving at Philadelphia PHL: AA2213, DL1083, AA4340, AA2393

All flights connecting St. Thomas STT to Philadelphia PHL.

AS4203 Alaska Airlines Flight: St. Thomas to Philadelphia Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: 2D9043 VS140 V7778 XC279 AS1784 PC7077 J91718 FJ1019 W64778 GO301
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
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