| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | TYS | PHL | 15:51 | 17:24 |
Landed Late
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| May 19 | TYS | PHL | 14:57 | 16:32 |
Landed
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| May 18 | TYS | PHL | 14:59 | 16:23 |
Landed
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| May 17 | TYS | PHL | 17:01 | 18:24 |
Delayed
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| May 16 | TYS | PHL | 15:27 | 16:55 |
Landed
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| May 15 | TYS | PHL | 14:56 | 16:19 |
Landed
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| May 14 | TYS | PHL | 14:57 | 16:28 |
Landed
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| May 13 | TYS | PHL | 15:07 | 16:30 |
Landed
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| May 12 | TYS | PHL | 14:53 | 16:23 |
Landed
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| May 11 | TYS | PHL | 14:52 | 16:10 |
Landed
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Alaska Airlines Flight AS4021 connects Knoxville, United States to Philadelphia, United States, taking off from Knoxville McGhee Tyson Airport TYS and landing at Philadelphia International Airport PHL.
How long is the AS4021 flight from Knoxville to Philadelphia?
The average flight time from Knoxville to Philadelphia is 1 hour and 26 minutes. The flight distance is 891 km / 553 miles and the average flight speed is 618 km/h / 384 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4021 Knoxville to Philadelphia?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4021 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AS4021 arriving at?
Flight AS4021 arrives at Philadelphia International Airport (PHL) Terminal F.
When was the latest AS4021 flight?
The latest flight took off on Wednesday, May 20th, 2026 with the flight status being Landed on 17:24.
How else can the flight AS4021 be referenced as?
This Alaska Airlines flight can also be referenced as ASA4021, AS 4021, ASA 4021.
How often is flight AS4021 delayed?
On average, 30% of all AS4021 flights are delayed. The average delay is 44 minutes.
Can I get compensation for my delayed or cancelled AS4021 flight or baggage issues?
If your AS4021 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 AS4021 Flight Tracker above for more details.
Other flights departing from Knoxville TYS: AA6071, G43055, UA4854, AA6093
Other flights arriving at Philadelphia PHL: AA2153, AA5360, AA6123, AA6071
All flights connecting Knoxville TYS to Philadelphia PHL.