Flight

ASA421

Flight history and live tracking for ASA421, operated by Alaska Airlines. Recent flights from the PlaneTrack independent receiver network, with departure and arrival times, aircraft used, and a real-time position feed.

Next flight

DateSun 04 Oct 2026
RouteKSEA SEATTLE TACOMA INTERNATIONAL → MMSD LOS CABOS INTERNATIONAL
Scheduled departure11:37 PDT

Scheduled and estimated times from the FAA SWIM feed, local to each airport.

Route

AirlineAlaska Airlines
Observed routeKSEA → MMSF

Flight history 229 flights since Oct 2025

DateFromToDepArrDurationAircraft
2026-10-03KSEA SEATTLE TACOMA INTERNATIONALMMSD LOS CABOS INTERNATIONAL12:44 PDT17:27 MST4h 43mN725AL
2026-10-02KSEA SEATTLE TACOMA INTERNATIONALMMSD LOS CABOS INTERNATIONAL11:13 PDT14:56 MST3h 43mN734AL
2026-10-01KSEA SEATTLE TACOMA INTERNATIONALMMSD LOS CABOS INTERNATIONAL11:22 PDT15:07 MST3h 45mN733AL
2026-09-28KSEA SEATTLE TACOMA INTERNATIONALMMSD LOS CABOS INTERNATIONAL11:34 PDT15:09 MST3h 35mN983AK
2026-09-27KSEA SEATTLE TACOMA INTERNATIONALMMSD LOS CABOS INTERNATIONAL12:27 PDT16:23 MST3h 56mN709AL
2026-09-26KSEA SEATTLE TACOMA INTERNATIONALMMSD LOS CABOS INTERNATIONAL11:15 PDT15:05 MST3h 50mN973AK
2026-09-25KSEA SEATTLE TACOMA INTERNATIONALMMSD LOS CABOS INTERNATIONAL11:47 PDT15:34 MST3h 47mN493AS
2026-09-24estimatedKSEAMMSF11:04 PDT14:00 PDT2h 55mN935AK
2026-09-21estimatedKSEAMMSF11:37 PDT15:00 PDT3h 22mN267AK
2026-09-20estimated??18:33Z21:10Z2h 37mN931AK
2026-09-19estimatedKSEAMMSF12:11 PDT14:14 PDT2h 02mN938AK
2026-09-18estimatedKSEAMMSF11:23 PDT13:20 PDT1h 56mN932AK
2026-09-17estimatedKSEAMMSF11:35 PDT14:50 PDT3h 14mA9672C
2026-09-14partial??00:30ZN453AS
2026-09-13estimated??18:01Z21:18Z3h 16mN453AS
2026-09-12partial??00:24ZN929AK
2026-09-11estimatedKSEAMMSF11:07 PDT14:12 PDT3h 05mN929AK
2026-09-10estimatedKSEAMMSF11:08 PDT14:42 PDT3h 33mN282AK
2026-09-07estimated??17:52Z20:18Z2h 25mN274AK
2026-09-06partial??00:23ZN971AK
2026-09-05partial??00:08ZN548AS
2026-09-04partial??00:00ZN274AK
Earlier flights (207) - back to 2025-10-26
DateFromToDepArrDurationAircraft
2026-09-03estimatedKSEAMMSF10:39 PDT14:00 PDT3h 21mN274AK
2026-08-31partial??00:16ZAAE59E
2026-08-30partial??00:12ZN552AS
2026-08-29partial??00:06ZN549AS
2026-08-28partial??00:08ZA9CECD
2026-08-27estimated??17:27Z23:54Z6h 26mA9CECD
2026-08-24partial??02:28ZAB148B
2026-08-23estimatedKSEAMMSF12:48 PDT16:10 PDT3h 22mAB148B
2026-08-23partialKSEA?10:19 PDTAB148B
2026-08-22estimatedKSEAMMSF10:24 PDT16:44 PDT6h 19mN920AK
2026-08-21estimatedKSEAMMSF10:32 PDT14:10 PDT3h 37mN284AK
2026-08-20estimatedKBFIMMCN10:28 PDT16:54 MST6h 26mN481AS
2026-08-18partial??00:52ZN560AS
2026-08-17partial??02:13ZN552AS
2026-08-16estimatedKSEAMMSF12:46 PDT15:22 PDT2h 36mN552AS
2026-08-15partial??00:47ZN293AK
2026-08-14estimatedKSEAMMSF11:07 PDT14:28 PDT3h 21mN293AK
2026-08-13partial??00:34ZN264AK
2026-08-12partial??00:28ZN236AK
2026-08-11estimated??18:55Z21:38Z2h 42mN236AK
2026-07-23partial??01:20ZN546AS
2026-07-22partial??00:43ZN294AK
2026-07-21partial??00:17ZN281AK
2026-07-20partial??00:59ZN481AS
2026-07-19partial??00:29ZN928AK
2026-07-18partial??01:16ZN224AK
2026-07-17partial??02:41ZN551AS
2026-07-16partial??00:51ZN519AS
2026-07-15partial??00:22ZN526AS
2026-07-14estimatedKBFIMMCN11:12 PDT14:28 MST3h 15mN526AS
2026-07-13estimatedKSEAMMSF11:21 PDT14:12 PDT2h 50mN563AS
2026-07-12partialKSEA?17:42 PDTN263AK
2026-07-11partialKSEA?17:20 PDTN435AS
2026-07-10estimatedKSEAMMSF11:07 PDT14:16 PDT3h 08mN435AS
2026-07-09partialKSEA?17:13 PDTADBA0A
2026-07-08partialKSEA?18:01 PDTN492AS
2026-07-07partialKSEA?17:22 PDTN568AS
2026-07-06estimatedKSEAMMSF11:21 PDT14:22 PDT3h 01mN568AS
2026-07-05partialKSEA?17:30 PDTN956AK
2026-07-04partialKSEA?17:55 PDTN590AS
2026-07-03partialKSEA?17:39 PDTN403AS
2026-07-02partialKSEA?17:37 PDTN524AS
2026-07-01partialKSEA?17:43 PDTN936AK
2026-06-30estimatedKSEAMMSF14:22 PDT14:50 PDT0h 27mN936AK
2026-06-29partialKSEA?18:40 PDTN402AS
2026-06-28estimatedKSEAMMSF12:41 PDT15:44 PDT3h 02mN402AS
2026-06-27partial??01:23ZN943AK
2026-06-26partialKSEA?17:39 PDTAAF0C3
2026-06-25partialKSEA?17:57 PDTN935AK
2026-06-24estimatedKSEAMMSF11:32 PDT14:36 PDT3h 04mN935AK
2026-06-23estimatedKSEAMMSF11:28 PDT14:32 PDT3h 03mA9672C
2026-06-22partialKSEA?17:59 PDTN281AK
2026-06-21estimatedKSEAMMSF11:13 PDT14:28 PDT3h 15mN281AK
2026-06-20partialKSEA?17:45 PDTN296AK
2026-06-19estimatedKSEAMMSF11:28 PDT14:28 PDT2h 59mN296AK
2026-06-18estimatedKSEAMMSF11:49 PDT14:46 PDT2h 56mN960AK
2026-06-17partialKSEA?17:21 PDTN948AK
2026-06-16partialKSEA?17:44 PDTN288AK
2026-06-15partialKSEA?19:15 PDTN288AK
2026-06-14partialKSEA?18:17 PDTADB653
2026-06-13estimatedKSEAMMSF12:22 PDT15:34 PDT3h 12mADB653
2026-06-12partialKSEA?17:49 PDTN972AK
2026-05-29estimatedKSEA?09:40 PDT18:44Z2h 03mAC7A5B
2026-05-28estimatedKSEAKSFO18:42 PDT12:06 PDT17h 23mN587AS
2026-05-27estimatedKSEAMMSF12:21 PDT15:12 PDT2h 50mN587AS
2026-05-26estimatedKSEAMMSF09:18 PDT11:58 PDT2h 39mN963AK
2026-05-25estimatedKSEAMMSF09:24 PDT12:00 PDT2h 35mN459AS
2026-05-24estimatedKSEAMMSF09:30 PDT12:06 PDT2h 35mADB653
2026-05-23estimatedKSEAMMSF09:25 PDT12:04 PDT2h 38mN952AK
2026-05-22estimatedKSEAMMSF09:31 PDT11:54 PDT2h 23mN419AS
2026-05-21estimatedKSEAMMSF09:45 PDT12:20 PDT2h 35mN532AS
2026-05-20partialKSEA?18:02 PDTN493AS
2026-05-19partialPAFB?18:19 AKDTN477AS
2026-05-12KSEAPAFA23:11 PDT01:28 AKDT3h 16mN461AS
2026-05-11KSEAPAFA23:12 PDT01:36 AKDT3h 23mA9E8CE
2026-05-10KSEAPAFA23:18 PDT01:28 AKDT3h 09mA96E9A
2026-05-09KSEAPAFA23:16 PDT01:44 AKDT3h 28mN288AK
2026-05-08KSEAPAFA23:18 PDT01:42 AKDT3h 23mN298AK
2026-05-07KSEAPAFA23:21 PDT02:04 AKDT3h 42mN267AK
2026-05-06estimatedKSEA?23:13 PDT09:44Z3h 31mN285AK
2026-05-05KSEAPAFA23:10 PDT01:34 AKDT3h 23mN938AK
2026-05-04KSEAPAFA23:23 PDT01:52 AKDT3h 29mN494AS
2026-05-03KSEAPAFA23:04 PDT01:40 AKDT3h 35mN277AK
2026-05-02KSEAPAFA23:10 PDT01:46 AKDT3h 35mA9A397
2026-05-01KSEAPAFA23:23 PDT01:42 AKDT3h 18mN976AK
2026-04-30KSEAPAFA23:17 PDT01:28 AKDT3h 10mN960AK
2026-04-28KSEAPAFA23:10 PDT01:56 AKDT3h 45mN491AS
2026-04-27KSEAPAFA23:43 PDT02:18 AKDT3h 34mN942AK
2026-04-26estimatedKSEAMMSF23:06 PDT04:22 PDT5h 15mN494AS
2026-04-25estimatedKSEAMMSF23:09 PDT02:34 PDT3h 24mADD2AD
2026-04-24KSEAPAFA23:19 PDT02:14 AKDT3h 54mN442AS
2026-04-23?PAFA06:11Z02:02 AKDT3h 50mAB1FB0
2026-04-21estimatedKSEAMMSF08:07 PDT11:36 PDT3h 28mN958AK
2026-04-20estimatedKSEAMMSF08:23 PDT11:36 PDT3h 12mN278AK
2026-04-19estimatedKSEAMMSF08:28 PDT11:44 PDT3h 15mN248AK
2026-04-18estimatedKSEAMMSF08:16 PDT15:14 PDT6h 58mN562AS
2026-04-17estimated??15:25Z18:22Z2h 57mN926AK
2026-04-16estimatedKSEAMMSF08:13 PDT11:20 PDT3h 06mN477AS
2026-04-15estimatedKSEAMMSF08:13 PDT11:24 PDT3h 10mN962AK
2026-04-14estimated?MMSF15:11Z11:10 PDT2h 58mA99262
2026-04-12estimated?MMSF15:21Z15:18 PDT6h 57mN928AK
2026-04-11estimatedKSEAMMSF08:18 PDT10:42 PDT2h 24mN593AS
2026-04-06estimated?MMSF15:19Z09:38 PDT1h 18mN974AK
2026-04-05estimated??20:59Z22:08Z1h 08mN963AK
2026-04-05KSEAKSAN08:17 PDT12:22 PDT4h 04mN963AK
2026-04-04estimated?MMSF15:31Z11:34 PDT3h 02mN560AS
2026-04-03estimated?MMSF15:18Z11:22 PDT3h 03mN931AK
2026-04-02estimated??15:11Z18:22Z3h 10mN494AS
2026-03-31estimatedKSEAMMSF08:34 PDT11:32 PDT2h 58mN280AK
2026-03-30estimatedKSEAMMSF08:14 PDT11:34 PDT3h 19mN955AK
2026-03-29estimated?MMSF15:11Z15:23 PDT7h 12mN278AK
2026-03-28estimatedKSEAMMSF08:50 PDT11:58 PDT3h 07mN579AS
2026-03-15estimated?MMSF15:01Z15:04 PDT7h 03mN924AK
2026-03-14estimated?MMSF15:14Z11:20 PDT3h 05mAC7A5B
2026-03-13estimatedKSEAMMSF09:34 PDT12:26 PDT2h 51mN462AS
2026-03-12estimated??17:03Z22:22Z5h 19mN938AK
2026-03-11estimatedKSEAMMSF08:01 PDT10:58 PDT2h 56mN467AS
2026-03-10estimatedKSEAMMSF07:57 PDT10:18 PDT2h 20mAD727A
2026-03-09estimatedKSEAMMSF08:07 PDT11:12 PDT3h 05mN943AK
2026-03-08estimatedKSEAMMSF08:01 PDT11:20 PDT3h 19mN935AK
2026-03-07estimatedKSEAMMSF08:05 PST10:28 PST2h 23mN942AK
2026-03-06estimatedKSEAMMSF08:27 PST11:38 PST3h 11mN948AK
2026-03-05estimatedKSEAMMSF08:19 PST11:22 PST3h 02mN487AS
2026-03-04estimatedKSEAMMSF07:56 PST10:40 PST2h 43mADBDC1
2026-03-03estimatedKSEAMMSF08:08 PST11:06 PST2h 58mN977AK
2026-03-02estimatedKSEAMMSF08:01 PST11:04 PST3h 02mA98386
2026-03-01estimatedKSEAMMSF08:02 PST11:06 PST3h 03mN913AK
2026-02-28estimatedKSEAMMSF07:56 PST11:06 PST3h 09mN247AK
2026-02-27estimatedKSEAMMSF08:02 PST11:10 PST3h 07mN961AK
2026-02-26estimatedKSEAMMSF07:59 PST10:58 PST2h 58mN413AS
2026-02-25estimatedKSEAMMSF08:10 PST11:04 PST2h 54mN937AK
2026-02-24estimatedKSEAMMSF07:56 PST11:16 PST3h 19mN955AK
2026-02-23estimatedKSEAMMSF08:07 PST11:14 PST3h 07mA98386
2026-02-22estimatedKSEAMMSF09:34 PST12:18 PST2h 43mN435AS
2026-02-21estimatedKSEAMMSF08:01 PST11:06 PST3h 05mN472AS
2026-02-20estimatedKSEAMMSF08:05 PST10:58 PST2h 52mN290AK
2026-02-19estimatedKSEAMMSF08:02 PST10:52 PST2h 50mN913AK
2026-02-18estimatedKSEAMMSF08:11 PST10:30 PST2h 18mA96E9A
2026-02-17estimatedKSEAMMSF08:05 PST11:10 PST3h 04mA9D9F2
2026-02-16estimatedKSEAMMSF07:55 PST11:30 PST3h 34mAD2733
2026-02-15partial??00:45ZN442AS
2026-02-14estimatedKSEAMMSF08:38 PST11:18 PST2h 40mN442AS
2026-02-13estimatedKSEAMMSF08:09 PST15:41 PST7h 31mAC7A5B
2026-02-12estimatedKSEAMMSF08:14 PST15:14 PST6h 59mN938AK
2026-02-11estimatedKSEAMMSF08:17 PST11:40 PST3h 22mN467AS
2026-02-08KSEA Seattle-Tacoma International?08:44 PST19:15Z2h 31mA24A0A
2026-02-07estimatedKSEAMMSF08:33 PST11:08 PST2h 34mN272AK
2026-02-06estimatedKSEAMMSF08:22 PST11:43 PST3h 21mN535AS
2026-02-05partial??00:00ZN274AK
2026-02-04estimatedKSEAMMSF08:06 PST15:59 PST7h 52mN274AK
2026-02-03estimatedKSEAMMSF08:12 PST11:14 PST3h 01mN238AK
2026-02-02estimatedKSEAMMSF08:12 PST10:44 PST2h 31mN265AK
2026-02-01estimatedKSEAMMSF08:38 PST12:14 PST3h 35mN928AK
2026-01-31estimatedKSEAMMSF08:16 PST11:04 PST2h 47mN224AK
2026-01-30estimatedKSEAMMSF08:16 PST10:58 PST2h 41mAAE59E
2026-01-29estimatedKSEAMMSF08:05 PST10:58 PST2h 53mAD79E8
2026-01-28estimatedKSEAMMSF08:06 PST11:18 PST3h 11mN248AK
2026-01-27estimatedKSEAMMSF08:10 PST10:58 PST2h 47mN952AK
2026-01-26estimatedKSEAMMSF12:07 PST15:14 PST3h 06mA9B62A
2026-01-26partialKSEA?08:16 PSTN973AK
2026-01-25estimatedKSEAMMSF08:32 PST11:28 PST2h 55mN938AK
2026-01-24estimated??16:06Z18:38Z2h 31mN472AS
2026-01-23estimatedKSEAMMSF08:00 PST11:00 PST2h 59mAB0356
2026-01-22estimatedKSEAMMSF08:10 PST11:18 PST3h 08mN920AK
2026-01-21estimatedKSEAMMSF08:03 PST11:16 PST3h 13mN273AK
2026-01-20estimatedKSEAMMSF08:20 PST11:38 PST3h 17mA97251
2026-01-19estimated??16:24Z19:16Z2h 51mN285AK
2026-01-18estimated??17:19Z19:40Z2h 21mN469AS
2026-01-09estimatedKSEAMMSF08:16 PST11:14 PST2h 58mN943AK
2026-01-08estimatedKSEAMMSF08:09 PST11:32 PST3h 23mN237AK
2026-01-07estimatedKSEAMMSF08:18 PST11:41 PST3h 22mN924AK
2026-01-06estimatedKSEAMMSF07:47 PST10:40 PST2h 52mN519AS
2026-01-05estimatedKSEAMMSF07:52 PST11:02 PST3h 09mN564AS
2026-01-04estimated??16:36Z20:20Z3h 43mN534AS
2026-01-03estimated??17:14Z20:48Z3h 33mN918AK
2026-01-02estimatedKSEAMMSF07:53 PST11:02 PST3h 09mN589AS
2026-01-01estimated??15:48Z18:54Z3h 06mN513AS
2025-12-31estimated??15:55Z19:22Z3h 26mA96E9A
2025-12-30estimated??15:52Z18:54Z3h 01mN291BT
2025-12-29estimatedKSEAMMSF08:15 PST11:16 PST3h 01mN920AK
2025-12-28estimatedKSEAMMSF07:50 PST11:00 PST3h 09mN494AS
2025-12-27estimatedKSEAMMSF09:26 PST12:24 PST2h 58mA96E9A
2025-12-26estimatedKSEAMMSF09:30 PST12:46 PST3h 15mN960AK
2025-12-25estimatedKSEAMMSF07:50 PST11:30 PST3h 39mA9B273
2025-12-24estimatedKSEAMMSF07:46 PST11:26 PST3h 40mN459AS
2025-12-23estimated??15:45Z19:22Z3h 36mN478AS
2025-12-22estimatedKSEAMMSF12:09 PST15:58 PST3h 48mN440AS
2025-12-21estimated??15:53Z18:56Z3h 02mN937AK
2025-12-20estimatedKSEAMMSF08:21 PST11:27 PST3h 05mAD2733
2025-12-19estimatedKSEAMMSF08:27 PST11:36 PST3h 08mA99262
2025-12-18estimated??15:51Z19:12Z3h 21mN428AS
2025-12-17estimated??15:59Z19:14Z3h 14mN915AK
2025-12-16estimated??15:59Z19:18Z3h 18mA99262
2025-12-15estimatedKSEAMMSF07:51 PST11:04 PST3h 13mA9672C
2025-12-14estimated??16:05Z19:24Z3h 18mN290AK
2025-12-13estimatedKSEAMMSF07:59 PST11:12 PST3h 12mAD7631
2025-12-12estimatedKSEAMMSF08:03 PST11:20 PST3h 16mN961AK
2025-12-11estimatedKSEAMMSF07:58 PST11:18 PST3h 19mN942AK
2025-12-10estimated??15:54Z19:32Z3h 37mN448AS
2025-12-09estimatedKSEAMMSF08:12 PST11:14 PST3h 01mN952AK
2025-11-27estimatedKSEAMMSF08:06 PST11:12 PST3h 06mN282AK
2025-11-26estimatedKSEAMMSF07:52 PST10:52 PST2h 59mN566AS
2025-10-30estimatedKSEAMMSF08:07 PDT11:03 PDT2h 55mAD7D9F
2025-10-29estimated??14:54Z22:44Z7h 50mN409AS
2025-10-28estimated??14:49Z21:41Z6h 52mN272AK
2025-10-27estimatedKSEAMMSF07:52 PDT14:46 PDT6h 53mN956AK
2025-10-26estimated??15:00Z17:56Z2h 55mA97C18

Times are local to each airport. Hover for UTC. Flights marked estimated were completed with route prediction or partial coverage; partial records have a confirmed departure but no reliable arrival fix.

Open the live map Full history CSV API access
Follow this flight

Get an email when ASA421 flies + if it runs late.

Data access

Live positions and 365-day history for this flight are available through the PlaneTrack API (commercial use from $29/month) and as one-off CSV extracts from our archive (from $9.99, with a free one-day sample). Questions: [email protected]