Alaska Airlines AS143 Flight Status
Based on Trip.com’s real-time data, the AS143 flight operated by Alaska Airlines on Jan 18, 2026 is scheduled to fly from Anchorage (ANC) to Seattle (SEA). The flight is expected to depart at 18:03 (local time in Anchorage, UTC-9) and land at 22:02 (local time in Seattle, UTC-8) .
Fri, Jan 16
Sun, Jan 18
Mon, Jan 19
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Arrived
The flight has arrived 14m early
3h 30m
Check-in Counter
--
Boarding Gate
C4
Arrival Gate
D5
Baggage
14
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Scheduled
Your flight will depart on time.
3h 30m
Check-in Counter
--
Boarding Gate
C6
Arrival Gate
N1
Baggage
7
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Scheduled
Your flight will depart on time.
3h 30m
Check-in Counter
--
Boarding Gate
C2
Arrival Gate
N2
Baggage
16
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 Anchorage to Seattle to find your schedule.
Track the Previous Flight Status: Scheduled
AS093
|
Seattle (SEA) 
Anchorage (ANC)
Anchorage (ANC)Scheduled: 14:17
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AS143 Aircraft Details
Boeing 737-900
Punctuality (Departure)
60%
Punctuality (Arrival)
87%
Early on average
3 minutes
Age
8y, 4m
Seats
178
Distance
--
Economy
Premium Economy
First
Onboard Amenities
None
Inflight entertainment is available
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
--
Legroom
43 cm
Seat width
100°
Reclining Angle
3-3
Seat layout example
Onboard Amenities
Meal included
In-flight entertainment is unavailable
Wi-Fi is available
USB port and power outlet
Seating Plan
89 cm
More legroom than on 33% of flights
43 cm
Seat width
100°
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
104 cm
More legroom than on 57% of flights
53 cm
Seat width
120°
Reclining Angle
2-2
Seat layout example
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Flight History for AS143
Trip.com historical records show that the last AS143 flight departed on Fri, Jan 16 from ANC at approximately 18:21. This flight is expected to arrrive in SEA at 22:19.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Jan 12 | Anchorage (ANC) | Seattle (SEA) | B39M | 18:06 | 21:56 | Arrived |
| Tue, Jan 13 | Anchorage (ANC) | Seattle (SEA) | B39M | 18:26 | 22:30 | Arrived |
| Wed, Jan 14 | Anchorage (ANC) | Seattle (SEA) | 739 | 18:39 | 22:15 | Arrived |
| Thu, Jan 15 | Anchorage (ANC) | Seattle (SEA) | 739 | 18:27 | 22:24 | Arrived |
| Fri, Jan 16 | Anchorage (ANC) | Seattle (SEA) | 739 | 18:21 | 22:19 | Arrived |
| Sun, Jan 18 | Anchorage (ANC) | Seattle (SEA) | 739 | 18:03 | 22:02 | Scheduled |
| Mon, Jan 19 | Anchorage (ANC) | Seattle (SEA) | B39M | 18:03 | 22:33 | Scheduled |
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AS143 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of AS143 is 60% (Late on average 37 minutes), and the on-time arrival rate is 87% (Early on average 3 minutes).
On-Time Departures
Punctuality
60%
Late on average 37 minutes
Early
0%
On time
60%
30 mins late
17%
60 mins late
17%
90 mins late
7%
Cancelled
0%
On-Time Arrivals
Punctuality
87%
Early on average 3 minutes
Early
70%
On time
17%
30 mins late
7%
60 mins late
3%
90 mins late
3%
Cancelled
0%
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Destination Info: Seattle Weather & Time
Clear
|
1°C - 12°C
Expected weather conditions upon arrival
1 hour time difference
Time on arrival: Anchorage 21:02| Seattle 22:02
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