| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 17 | PHL | JAX | 18:52 | 20:24 |
Landed
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| Jul 16 | PHL | JAX | 19:36 | 21:13 |
Landed Late
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| Jul 15 | PHL | JAX | 18:51 | 20:27 |
Landed
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| Jul 14 | PHL | JAX | 19:43 | 21:38 |
Landed Late
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| Jul 13 | PHL | JAX | 18:27 | 20:17 |
Landed
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| Jul 12 | PHL | JAX | 18:48 | 20:33 |
Landed
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| Jul 11 | PHL | JAX | 21:40 | 23:27 |
Landed Late
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| Jul 10 | PHL | JAX | 19:02 | 20:57 |
Landed
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| Jul 09 | PHL | JAX | 20:07 | 21:55 |
Delayed
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| Jul 08 | PHL | JAX | 18:46 | 20:34 |
Landed
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Alaska Airlines Flight AS4120 connects Philadelphia, United States to Jacksonville, United States, taking off from Philadelphia International Airport PHL and landing at Jacksonville International Airport JAX.
How long is the AS4120 flight from Philadelphia to Jacksonville?
The average flight time from Philadelphia to Jacksonville is 1 hour and 45 minutes. The flight distance is 1195 km / 743 miles and the average flight speed is 685 km/h / 425 mph.
How many AS4120 flights are operated per week?
6 flights per week. The flight AS4120 is operated on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4120 Philadelphia to Jacksonville?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4120 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS4120 flight?
The latest flight took off on Saturday, July 18th, 2026 with the flight status being Landed on 20:24.
How else can the flight AS4120 be referenced as?
This Alaska Airlines flight can also be referenced as ASA4120, AS 4120, ASA 4120.
How often is flight AS4120 delayed?
On average, 50% of all AS4120 flights are delayed. The average delay is 42 minutes.
Can I get compensation for my delayed or cancelled AS4120 flight or baggage issues?
If your AS4120 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 AS4120 Flight Tracker above for more details.
Other flights departing from Philadelphia PHL: F92111, AA2940, AA746, AA5926
Other flights arriving at Jacksonville JAX: WN971, G4380, AA2940, DL2315
All flights connecting Philadelphia PHL to Jacksonville JAX.