Alaska Airlines AS351 Flight Status
Based on Trip.com’s real-time data, the AS351 flight operated by Alaska Airlines on Mar 12, 2026 is scheduled to fly from Washington D.C. (IAD) to Seattle (SEA). The flight is expected to depart at 07:05 (local time in Washington D.C., UTC-4) and land at 09:33 (local time in Seattle, UTC-7) .
Wed, Mar 11
Thu, Mar 12
Fri, Mar 13
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Arrived
The flight has arrived 12m early
6h
Check-in Counter
AREA 3
Boarding Gate
B65
Arrival Gate
N3
Baggage
7
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Scheduled
Your flight will depart on time.
6h
Check-in Counter
AREA 3
Boarding Gate
B65
Arrival Gate
D2
Baggage
15
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Scheduled
Your flight will depart on time.
6h
Check-in Counter
AREA 3
Boarding Gate
B65
Arrival Gate
C18
Baggage
15
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Information provided by VariFlightVariFlight. For the latest updates, please refer to airport announcements or consult your airline. If this is not your flight, you can browse more options for flights from Washington D.C. to Seattle to find your schedule.
Track the Previous Flight Status: Scheduled
AS367
|
Seattle (SEA) 
Washington D.C. (WAS)
Washington D.C. (WAS)Scheduled: 05:40
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AS351 Aircraft Details
Boeing 737-900
Punctuality (Departure)
80%
Punctuality (Arrival)
97%
Early on average
12 minutes
Age
1y
Seats
Up to 181
Distance
--
Economy
First
Onboard Amenities
None
Inflight entertainment is available
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
81 cm
More legroom than on 87% of flights
43 cm
Seat width better than on 67% of flights
110°
Reclining Angle
3-3
Seat layout example
Onboard Amenities
Meal included
Inflight entertainment is available
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
91 cm
Legroom
53 cm
Seat width better than on 69% of flights
120°
Reclining Angle
2-2
Seat layout example
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Flight History for AS351
Trip.com historical records show that the last AS351 flight departed on Wed, Mar 11 from IAD at approximately 07:20. This flight is expected to arrrive in SEA at 09:53.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Mar 7 | Washington D.C. (IAD) | Seattle (SEA) | 739 | 07:21 | 09:32 | Arrived |
| Sun, Mar 8 | Washington D.C. (IAD) | Seattle (SEA) | B39M | 07:12 | 10:04 | Arrived |
| Mon, Mar 9 | Washington D.C. (IAD) | Seattle (SEA) | 739 | 07:26 | 10:00 | Arrived |
| Tue, Mar 10 | Washington D.C. (IAD) | Seattle (SEA) | B39M | 07:27 | 09:54 | Arrived |
| Wed, Mar 11 | Washington D.C. (IAD) | Seattle (SEA) | B39M | 07:20 | 09:53 | Arrived |
| Thu, Mar 12 | Washington D.C. (IAD) | Seattle (SEA) | B39M | 07:05 | 09:33 | Scheduled |
| Fri, Mar 13 | Washington D.C. (IAD) | Seattle (SEA) | B39M | 07:05 | 10:05 | Scheduled |
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AS351 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of AS351 is 80% (Late on average 19 minutes), and the on-time arrival rate is 97% (Early on average 12 minutes).
On-Time Departures
Punctuality
80%
Late on average 19 minutes
Early
0%
On time
80%
30 mins late
17%
60 mins late
3%
90 mins late
0%
Cancelled
0%
On-Time Arrivals
Punctuality
97%
Early on average 12 minutes
Early
83%
On time
13%
30 mins late
0%
60 mins late
3%
90 mins late
0%
Cancelled
0%
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Destination Info: Seattle Weather & Time
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6°C - 11°C
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-3 hour time difference
Time on arrival: Washington D.C. 13:05| Seattle 10:05
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