| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | PHL | STT | 10:02 | 13:32 |
Landed
|
Track > |
| Oct 18 | PHL | STT | 10:01 | 13:18 |
Landed
|
Track > |
| Oct 11 | PHL | STT | 10:13 | 13:45 |
Landed
|
Track > |
| Aug 30 | PHL | STT | 10:53 | 14:19 |
Landed Late
|
Track > |
| Aug 23 | PHL | STT | 09:58 | 13:18 |
Landed
|
Track > |
| Aug 16 | PHL | STT | 09:45 | 13:40 |
Cancelled
|
Track > |
| Claim > | ||||||
| Aug 09 | PHL | STT | 09:55 | 13:29 |
Landed
|
Track > |
Alaska Airlines Flight AS4478 connects Philadelphia, United States to St. Thomas, U.S. Virgin Islands, taking off from Philadelphia International Airport PHL and landing at St. Thomas Cyril E. King Airport STT.
How long is the AS4478 flight from Philadelphia to St. Thomas?
The average flight time from Philadelphia to St. Thomas is 3 hours and 26 minutes. The flight distance is 2589 km / 1609 miles and the average flight speed is 740 km/h / 460 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4478 Philadelphia to St. Thomas?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4478 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS4478 flight?
The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 13:32.
How else can the flight AS4478 be referenced as?
This Alaska Airlines flight can also be referenced as ASA4478, AS 4478, ASA 4478.
How often is flight AS4478 delayed?
On average, 29% of all AS4478 flights are delayed. The average delay is 24 minutes.
Can I get compensation for my delayed or cancelled AS4478 flight or baggage issues?
If your AS4478 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 AS4478 Flight Tracker above for more details.
Other flights departing from Philadelphia PHL: AA2555, AA3187, AA4698, UA1061
Other flights arriving at St. Thomas STT: AA633, AA2555, AA1391, AA633
All flights connecting Philadelphia PHL to St. Thomas STT.
