Alaska Airlines AS3121 Flight Status
According to Trip.com real-time data, the AS3121 flight operated by Alaska Airlines on Nov 15, 2026 is scheduled to fly from Seattle (SEA) to Missoula (MSO). The flight is expected to depart at 9:50 AM (local time in Seattle, UTC-8) and land at 11:50 AM (local time in Missoula, UTC-7) .
Sat, Nov 14
Sun, Nov 15
Mon, Nov 16
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Arrived
The flight has arrived 1h 34m late
1h 32m
Check-in Counter
ZONE 6,ZONE 7
Boarding Gate
C16B
Arrival Gate
A3
Baggage
1
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Scheduled
Your flight will depart on time.
1h 32m
Check-in Counter
ZONE 6,ZONE 7
Boarding Gate
C2G
Arrival Gate
A1
Baggage
1
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Need a flight from Seattle to Missoula?
Alaska Airlines From PHP 9,781
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Scheduled
Your flight will depart on time.
1h 32m
Check-in Counter
ZONE 6,ZONE 7
Boarding Gate
C16B
Arrival Gate
A1
Baggage
1
Show more
Need a flight from Seattle to Missoula?
Alaska Airlines From PHP 9,781
Search flights Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
Track the Previous Flight Status: Scheduled
AS3029
|
Boise (BOI)
Seattle (SEA)
Seattle (SEA)
Scheduled: 9:05 AM
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AS3121 Aircraft Details
According to Trip.com real-time data, the AS3121 flight flying from Seattle to Missoula on 11/15/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 9y, 2m. The aircraft is equipped with 76 seats.
Embraer 175
Punctuality (Departure)
50
%
Punctuality (Arrival)
64
%
Late on average
27 minutes
Age
9y, 2m
Seats
76
Flight Distance
--
Economy
Premium Economy
First
In-Flight Services
Snacks
Inflight entertainment is available
Unknown
No power outlets are available
Seat Information
81 cm
More legroom than on 27% of flights
46 cm
Seat width better than on 64% of flights
100°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is available
No power outlets are available
Seat Information
89 cm
Legroom
46 cm
Seat width better than on 43% of flights
100°
Reclining Angle
--
Seat layout example
In-Flight Services
Snacks
Inflight entertainment is available
Unknown
Power outlet
Seat Information
107 cm
More legroom than on 64% of flights
51 cm
Seat width
120°
Reclining Angle
1-2
Seat layout example
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Flight History for AS3121
Trip.com historical records show that the last AS3121 flight departed on Sat, Nov 14 from SEA at approximately 11:37 AM. This flight is expected to arrrive in MSO at 1:56 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Wed, Nov 11 | Seattle (SEA) | Missoula (MSO) | E75L | 10:14 AM | 12:33 PM | Arrived |
| Thu, Nov 12 | Seattle (SEA) | Missoula (MSO) | E75L | 1:08 PM | 3:13 PM | Arrived |
| Fri, Nov 13 | Seattle (SEA) | Missoula (MSO) | E75L | 11:44 AM | 1:58 PM | Arrived |
| Sat, Nov 14 | Seattle (SEA) | Missoula (MSO) | E75L | 11:37 AM | 1:56 PM | Arrived |
| Sun, Nov 15 | Seattle (SEA) | Missoula (MSO) | E75L | 9:50 AM | 11:50 AM | Scheduled |
| Mon, Nov 16 | Seattle (SEA) | Missoula (MSO) | E75L | 9:50 AM | 12:22 PM | Scheduled |
| Tue, Nov 17 | Seattle (SEA) | Missoula (MSO) | E170 | 9:50 AM | 12:22 PM | Scheduled |
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AS3121 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of AS3121 is 50% (Late on average 56 minutes), and the on-time arrival rate is 64% (Late on average 27 minutes).
On-Time Departures
Punctuality
50
%
Late on average
56 minutes
Early
0
%
On time
50
%
30 mins late
14
%
60 mins late
7
%
90 mins late
29
%
Canceled
0
%
On-Time Arrivals
Punctuality
64
%
Late on average
27 minutes
Early
50
%
On time
14
%
30 mins late
7
%
60 mins late
7
%
90 mins late
21
%
Canceled
0
%
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Frequently Asked Questions
What is the current status of flight as3121?
Flight as3121 has not departed yet and is currently on schedule. Scheduled departure 9:50 AM, arrival 12:22 PM (updated Nov 15, 2026).Is flight as3121 on time today?
Flight as3121 has not departed yet and is currently on schedule. Scheduled departure is 9:50 AM, with arrival at 12:22 PM. Recheck gate and timing before you head to the airport.Has flight as3121 departed yet? What is the departure time?
Flight as3121 is scheduled to depart at 9:50 AM. The latest actual or estimated departure time is 9:50 AM, and the current status is Scheduled (updated Nov 15, 2026).When is flight as3121 scheduled to arrive?
Flight as3121 is scheduled to arrive at 12:22 PM. The latest estimated or actual arrival time is 11:50 AM. Status is Scheduled as of Nov 15, 2026.What route does flight as3121 fly?
Flight as3121 is operated by Alaska Airlines from Seattle (SEA) to Missoula (MSO). Typical flight time is about 1 hour32 minutes; operating days may include Sunday.How can I check real-time status for flight as3121?
Track flight as3121 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 as3121 is delayed or canceled, what should I do?
If as3121 is delayed or canceled, first confirm the latest status here (Scheduled, updated Nov 15, 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 as3121 departed from Seattle?
Flight as3121 has not departed from Seattle (SEA) yet and is currently on schedule for 9:50 AM.What is the seat configuration for flight as3121?
Flight as3121 usually flies a Embraer 175 with seat layout 2-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: Missoula Weather & Current Time
Partly cloudy
|
-3°C - 8°C
Weather forecast for your arrival day
1 hour time difference
Time on arrival: Seattle 10:50
|
Missoula 11:50
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