Alaska Airlines
AS378 Flight Status
According to Trip.com latest record on status for Alaska Airlines flight AS378 from Seattle to Baltimore (SEA-BWI): Flights for Oct 2, 2026 are scheduled, with the next departure slated for 09:57 from SEA and an expected arrival at 17:25 at BWI .
Thu, Oct 1
Fri, Oct 2
Sat, Oct 3
Access more flight status info on the Trip.com app
Show more
In Flight
Your flight has departed Seattle and is expected to arrive in Baltimore at 17:52.
5h 11m
Check-in Counter
ZONE 6,ZONE 7
Boarding Gate
C17
Arrival Gate
D20
Baggage
12
Need a flight from Seattle to Baltimore?
Alaska Airlines
Search flights
Access more flight status info on the Trip.com app
Show more
Scheduled
Your flight will depart on time.
5h 11m
Check-in Counter
ZONE 6,ZONE 7
Boarding Gate
D1
Arrival Gate
D20
Baggage
12
Need a flight from Seattle to Baltimore?
Alaska Airlines
Search flights
Access more flight status info on the Trip.com app
Show more
Scheduled
Your flight will depart on time.
5h 9m
Check-in Counter
ZONE 6,ZONE 7
Boarding Gate
D3
Arrival Gate
D20
Baggage
12
Show more
Need a flight from Seattle to Baltimore?
Alaska Airlines
Search flights
Flight status powered by VariFlight.
For real-time updates, follow airport displays or contact your airline directly.
AS378 Aircraft Specifications
According to Trip.com real-time data, the AS378 flight from Seattle to Baltimore on 10/2/2026 is operated using the aircraft model Boeing 737-900. This aircraft has been in service for 4y. The aircraft has 154 seats.
Boeing 737-900
On-Time Departure
40
%
On-Time Arrival
97
%
Avg. Early
3 minutes
Aircraft Age
4y
Total Seats
154
Flight Distance
--
Economy
First
Cabin Amenities
None
Inflight entertainment is available
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
--
Legroom
43 cm
Seat width
100°
Reclining Angle
3-3
Seat layout example
Cabin Amenities
Meal included
Inflight entertainment is available
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
104 cm
More legroom than on 50% of flights
53 cm
Seat width
120°
Reclining Angle
2-2
Seat layout example
See more amenities and seat info in the app
Show more
AS378 Flight History
Trip.com historical records show that the last AS378 flight departed on Thu, Oct 1 from SEA at approximately 10:18. This flight is expected to arrrive in BWI at 17:52.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Sep 27 | Seattle (SEA) | Baltimore (BWI) | 739 | 10:38 | 18:18 | Arrived |
| Mon, Sep 28 | Seattle (SEA) | Baltimore (BWI) | 739 | 10:25 | 17:58 | Arrived |
| Tue, Sep 29 | Seattle (SEA) | Baltimore (BWI) | B39M | 10:18 | 17:49 | Arrived |
| Wed, Sep 30 | Seattle (SEA) | Baltimore (BWI) | 739 | 11:00 | 18:19 | Arrived |
| Thu, Oct 1 | Seattle (SEA) | Baltimore (BWI) | 739 | 10:18 | 17:52 | In Flight |
| Fri, Oct 2 | Seattle (SEA) | Baltimore (BWI) | B39M | 09:57 | 17:25 | Scheduled |
| Sat, Oct 3 | Seattle (SEA) | Baltimore (BWI) | B38M | 09:03 | 17:12 | Scheduled |
text.text............fake.row.text............text.........fake row
...text
Check upcoming flights with our app
Show more
AS378 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of AS378 is 40% (Late on average 35 minutes), and the on-time arrival rate is 97% (Early on average 3 minutes).
On-Time Departures
Punctuality
40
%
Late on average
35 minutes
Early
0
%
On time
40
%
30 mins late
57
%
60 mins late
3
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
97
%
Early on average
3 minutes
Early
63
%
On time
33
%
30 mins late
3
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
Need a flight from Seattle to Baltimore?
-
From Seattle
-
To Baltimore
-
Return flights
More Cheap Flights
More Cheap Flights
More Cheap Flights
Recommended hotels in Baltimore
Hotels near Baltimore/Washington International Airport
Hotels near Baltimore
8
/10
104 Reviews
Aloft BWI Baltimore Washington International Airport
1.99 km from the airport
PKR 27,199
8.8
/10
110 Reviews
Hilton Baltimore BWI Airport
2.08 km from the airport
4% off
PKR 37,765
PKR 36,321
-
/10
Reviews
Comfort Suites Bwi Airport Hotel
2.14 km from the airport
16% off
PKR 42,925
PKR 35,949
8.7
/10
100 Reviews
BWI Airport Marriott
2.24 km from the airport
PKR 38,550
10
/10
56 Reviews
The Ivy Hotel
1.44 km from city centre
PKR 179,706
9.3
/10
101 Reviews
Pendry Baltimore
2.01 km from city centre
PKR 142,560
9.2
/10
125 Reviews
Baltimore Marriott Waterfront
1.09 km from city centre
PKR 71,734
9.6
/10
105 Reviews
Four Seasons Hotel Baltimore
1.19 km from city centre
PKR 129,847
Flight FAQs
-
What is the current status of flight as378?
Flight as378 has not departed yet and is currently on schedule. Scheduled departure 09:57, arrival 18:08 (updated Oct 2, 2026). -
Is flight as378 on time today?
Flight as378 has not departed yet and is currently on schedule. Scheduled departure is 09:57, with arrival at 18:08. Recheck gate and timing before you head to the airport. -
Has flight as378 departed yet? What is the departure time?
Flight as378 is scheduled to depart at 09:57. The latest actual or estimated departure time is 09:57, and the current status is Scheduled (updated Oct 2, 2026). -
When is flight as378 scheduled to arrive?
Flight as378 is scheduled to arrive at 18:08. The latest estimated or actual arrival time is 17:25. Status is Scheduled as of Oct 2, 2026. -
What route does flight as378 fly?
Flight as378 is operated by Alaska Airlines from Seattle (SEA) to Baltimore (BWI). Typical flight time is about 5 hours 11 minutes; operating days may include Friday. -
How can I check real-time status for flight as378?
Track flight as378 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications. -
If flight as378 is delayed or canceled, what should I do?
If as378 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 2, 2026). Contact Alaska Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com. -
Has flight as378 departed from Seattle?
Flight as378 has not departed from Seattle (SEA) yet and is currently on schedule for 09:57. -
What is the seat configuration for flight as378?
Flight as378 usually flies a Boeing 737-900 with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
Explore Baltimore Deals: Flights, Hotels & Attractions
Hotels
Airport Transfers
Tours & Tickets
Car Rentals
When You Land: Baltimore Weather & Time Zone
Partly clear
|
16°C - 29°C
Weather forecast for your arrival day
- hour time difference
Time on arrival: Seattle 14:25
|
Baltimore 17:25
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Convenient & reliable booking and payment system