| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 02 | SEA | BWI | 10:00 | 18:04 |
Scheduled
|
Track > |
| Sep 01 | SEA | BWI | 10:26 | 18:03 |
Landed
|
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| Aug 31 | SEA | BWI | 10:34 | 17:56 |
Landed
|
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| Aug 30 | SEA | BWI | 10:59 | 18:26 |
Landed Late
|
Track > |
| Aug 29 | SEA | BWI | 11:19 | 18:42 |
Landed Late
|
Track > |
| Aug 28 | SEA | BWI | 10:33 | 17:53 |
Landed
|
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| Aug 27 | SEA | BWI | 10:18 | 17:49 |
Landed
|
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| Aug 26 | SEA | BWI | 10:43 | 18:04 |
Landed
|
Track > |
| Aug 25 | SEA | BWI | 10:20 | 17:46 |
Landed
|
Track > |
| Aug 24 | SEA | BWI | 11:22 | 18:47 |
Landed Late
|
Track > |
Alaska Airlines Flight AS378 connects Seattle, United States to Baltimore, United States, taking off from Seattle Tacoma International Airport SEA and landing at Baltimore Washington International Airport BWI.
How long is the AS378 flight from Seattle to Baltimore?
The average flight time from Seattle to Baltimore is 4 hours and 25 minutes. The flight distance is 3748 km / 2329 miles and the average flight speed is 836 km/h / 519 mph.
How many AS378 flights are operated per week?
7 flights per week. The flight AS378 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS378 Seattle to Baltimore?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS378 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS378 flight?
The latest flight took off on Wednesday, September 2nd, 2026 with the flight status being Scheduled on 18:04.
How else can the flight AS378 be referenced as?
This Alaska Airlines flight can also be referenced as ASA378, AS0378, AS 378, ASA 378.
How often is flight AS378 delayed?
On average, 30% of all AS378 flights are delayed. The average delay is 34 minutes.
Can I get compensation for my delayed or cancelled AS378 flight or baggage issues?
If your AS378 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 AS378 Flight Tracker above for more details.
Other flights departing from Seattle SEA: AS494, AS597, QX2405, OO4125
Other flights arriving at Baltimore BWI: WN4065, WN905, WN812, DL1267
All flights connecting Seattle SEA to Baltimore BWI.
