Live tracking not available yet
AS421 has a schedule in our database but isn't on the airport board right now. Live position data typically appears within a few hours of departure.
Flight Status
Scheduled
Route Info
SEA
Seattle–Tacoma International Airport
Seattle
Gate N15 Scheduled 8:07 AM
Actual 8:00 AM
SJD
Los Cabos International Airport
San José del Cabo
T2 Gate 7A Scheduled 12:18 PM
Actual 12:25 PM
Baggage claim 6
5h 11m flight time
Daily
Recent Flights
Last 2 observedMar 11
Wed
SEA
SJD
Dep 08:00:00
(actual 08:08:00)
7M9
In Air
Mar 09
Mon
SEA
SJD
Dep 08:00:00
(actual 08:12:00)
7M9
Boarding
Schedule
Operates
Daily
Departure
8:07 AM
Arrival
12:18 PM
Duration
5h 11m
Aircraft
Boeing 737 MAX 9
Gate
N15
7A
Actual
08:00
12:25
Baggage
Carousel 6
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Thu, Mar 19
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
Schedule valid
Mar 13 —
Jun 12, 2026