| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 08 | PHL | SEA | 19:07 | 21:48 |
Landed Late
|
Track > |
Alaska Airlines Flight AS9578 connects Philadelphia, United States to Seattle, United States, taking off from Philadelphia International Airport PHL and landing at Seattle Tacoma International Airport SEA.
How long is the AS9578 flight from Philadelphia to Seattle?
The average flight time from Philadelphia to Seattle is 5 hours and 41 minutes. The flight distance is 3818 km / 2372 miles and the average flight speed is 672 km/h / 417 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS9578 Philadelphia to Seattle?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS9578 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS9578 flight?
The latest flight took off on Thursday, July 9th, 2026 with the flight status being Landed on 21:48.
How else can the flight AS9578 be referenced as?
This Alaska Airlines flight can also be referenced as ASA9578, AS 9578, ASA 9578.
How often is flight AS9578 delayed?
On average, 100% of all AS9578 flights are delayed. The average delay is 31 minutes.
Can I get compensation for my delayed or cancelled AS9578 flight or baggage issues?
If your AS9578 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 AS9578 Flight Tracker above for more details.
Other flights departing from Philadelphia PHL: AA3005, AA9975, DL2594, WN3226
Other flights arriving at Seattle SEA: UA692, AS268, AS1301, DL3832
All flights connecting Philadelphia PHL to Seattle SEA.
