Alaska Airlines AS421 Flight Status Today
Alaska Airlines
Live Data: Real-time flight information updated at 2026-01-20
Last API update: Status Last Updated More Than 3 Hours Ago
Departure
TPA
Tampa International Airport Tampa
08:08
Terminal: 3
Gate: N6
264 min
Boeing 737MAX 9 Passenger
Arrival
SFO
San Francisco International Airport San Francisco
13:32
Terminal: 2
Gate: 19
AS421 Flight Information
- Flight Number: AS421
- Aircraft: Boeing 737MAX 9 Passenger
- Callsign: ASA421
- Frequency: MON-TUE-WED-THU-FRI-SAT-SUN
- Status: Scheduled On time
Flight History (Last 30 Flights)
Historical flight data showing past 30 operations
| Date | Route | Status | Schedule | Estimates/Actual | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-01-19 |
SEA
SJD
|
Arrived Delayed by 22m |
08:08
13:32
|
08:25
13:54
|
269min | Boeing 737-900 Passenger (Scimitar Winglets) |
| 2026-01-18 |
SEA
SJD
|
Arrived On time |
08:38
13:55
|
08:31
13:42
|
251min | Boeing 737-900 Passenger (Scimitar Winglets) |
| 2026-01-17 |
SEA
SJD
|
Arrived On time |
08:08
13:32
|
08:01
13:13
|
252min | Boeing 737-900 Passenger (Scimitar Winglets) |
| 2026-01-14 |
SEA
SJD
|
Departed On time |
08:08
13:32
|
08:05
13:27
|
264min | Boeing 737-900 Passenger (Scimitar Winglets) |
| 2025-12-31 |
SEA
SJD
|
Scheduled On time |
07:52
13:13
|
07:52
13:13
|
261min | Boeing 737MAX 9 Passenger |
| 2025-12-29 |
SEA
SJD
|
Arrived Delayed by 36m |
07:52
13:13
|
08:11
13:49
|
278min | Boeing 737MAX 9 Passenger |
| 2025-12-27 |
SEA
SJD
|
Departed Delayed by 1h 35m |
07:52
13:13
|
09:22
14:48
|
261min | Boeing 737MAX 9 Passenger |
| 2025-12-26 |
SEA
SJD
|
Arrived Delayed by 1h 56m |
07:52
13:13
|
09:27
15:09
|
282min | Boeing 737MAX 9 Passenger |
| 2025-12-25 |
SEA
SJD
|
Arrived On time |
07:52
13:13
|
07:49
13:17
|
268min | Boeing 737MAX 9 Passenger |
| 2025-12-23 |
SEA
SJD
|
Scheduled On time |
07:52
13:13
|
07:52
13:49
|
261min | Boeing 737-900 Passenger (Scimitar Winglets) |
| 2025-12-22 |
SEA
SJD
|
Arrived Delayed by 4h 35m |
07:52
13:13
|
12:37
17:48
|
251min | Boeing 737MAX 9 Passenger |
| 2025-12-21 |
SEA
SJD
|
Arrived On time |
07:52
13:13
|
08:01
13:23
|
262min | Boeing 737MAX 9 Passenger |
| 2025-12-20 |
SEA
SJD
|
Arrived Delayed by 23m |
07:52
13:13
|
08:17
13:36
|
259min | Boeing 737MAX 9 Passenger |
| 2025-12-18 |
SEA
SJD
|
Arrived On time |
07:52
13:13
|
07:49
13:15
|
266min | Boeing 737-900 Passenger (Scimitar Winglets) |
| 2025-12-17 |
SEA
SJD
|
Arrived On time |
08:00
13:28
|
07:58
13:03
|
245min | Boeing 737MAX 9 Passenger |
| 2025-12-13 |
SEA
SJD
|
Arrived On time |
08:00
13:28
|
07:55
13:06
|
251min | Boeing 737MAX 9 Passenger |
| 2025-12-04 |
SEA
SJD
|
Arrived On time |
08:00
13:28
|
08:08
13:16
|
248min | Boeing 737-900 Passenger (Scimitar Winglets) |
| 2025-12-03 |
SEA
SJD
|
Arrived On time |
08:00
13:28
|
08:05
13:00
|
235min | Boeing 737-900 Passenger (Scimitar Winglets) |
| 2025-12-02 |
SEA
SJD
|
Arrived On time |
08:00
13:28
|
08:00
13:22
|
262min | Boeing 737MAX 9 Passenger |
| 2025-11-30 |
SEA
SJD
|
Arrived Delayed by 18m |
07:45
13:07
|
08:02
13:25
|
263min | Boeing 737-800 (Scimitar Winglets) Passenger |
| 2025-11-29 |
SEA
SJD
|
Arrived On time |
07:45
13:07
|
07:52
13:14
|
262min | Boeing 737-800 (Scimitar Winglets) Passenger |
| 2025-11-28 |
SEA
SJD
|
Arrived On time |
07:45
13:07
|
07:36
12:42
|
246min | Boeing 737-800 (Scimitar Winglets) Passenger |
| 2025-11-27 |
SEA
SJD
|
Arrived On time |
07:45
13:07
|
07:53
13:10
|
257min | Boeing 737-900 Passenger (Scimitar Winglets) |
| 2025-11-26 |
SEA
SJD
|
Arrived On time |
07:45
13:07
|
07:37
12:46
|
249min | Boeing 737-800 (Scimitar Winglets) Passenger |
| 2025-11-25 |
SEA
SJD
|
Arrived On time |
07:45
13:07
|
08:06
13:21
|
255min | Boeing 737-800 (Scimitar Winglets) Passenger |
| 2025-11-24 |
SEA
SJD
|
Arrived On time |
07:45
13:07
|
07:42
12:47
|
245min | Boeing 737-800 (Scimitar Winglets) Passenger |
| 2025-11-15 |
SEA
SJD
|
Arrived On time |
07:45
13:09
|
07:44
13:12
|
268min | Boeing 737-900 Passenger (Scimitar Winglets) |
| 2025-11-14 |
SEA
SJD
|
Arrived On time |
07:45
13:09
|
07:34
13:02
|
268min | Boeing 737-900 Passenger (Scimitar Winglets) |
| 2025-11-13 |
SEA
SJD
|
Arrived On time |
07:45
13:09
|
07:40
13:03
|
263min | Boeing 737-900 Passenger (Scimitar Winglets) |
| 2025-11-10 |
SEA
SJD
|
Arrived On time |
07:45
13:09
|
07:38
12:42
|
244min | Boeing 737-900 Passenger (Scimitar Winglets) |
AS421 Live Status Details
API Status:
Scheduled On time
Estimated Departure:
08:08
Estimated Arrival:
13:32
Baggage Claim:
1
Live Updates
This flight is monitored in real-time. Status updates every 5 minutes.