Alaska Airlines AS643 Flight Status Today

Alaska Airlines

AS ASA
Departed Delayed By 15m
Last updated: Jan 9, 2026 15:04

Database Data: Showing scheduled flight information from database. Live status may not be available.

Departure

DEN

Denver International Airport Denver

06:00

Terminal:

Gate:

181 min

Arrival

SEA

Seattle Tacoma International Airport Seattle

08:01

Terminal:

Gate:

AS643 Flight Information

  • Flight Number: AS643
  • Frequency: MON-TUE-WED-THU-FRI-SAT-SUN
  • Status: Departed Delayed by 15m

Flight History (Last 30 Flights)

Historical flight data showing past 30 operations

Date Route Status Schedule Estimates/Actual Duration Aircraft
2026-01-09
DEN SEA
Departed Delayed by 15m
07:00 09:11
07:00 09:26
191min Boeing 737-900 Passenger (Scimitar Winglets)
2025-12-26
DEN SEA
Arrived On time
08:00 10:08
08:02 10:20
198min Boeing 737MAX 9 Passenger
2025-12-21
DEN SEA
Arrived Delayed by 35m
08:00 10:08
07:58 10:43
225min Boeing 737-900 Passenger (Scimitar Winglets)
2025-12-04
DEN SEA
Scheduled On time
06:00 08:10
06:00 08:08
190min Boeing 737-800 (Scimitar Winglets) Passenger
2025-12-01
DEN SEA
Arrived On time
06:14 08:26
06:14 08:29
195min Boeing 737-900 Passenger (Scimitar Winglets)
2025-11-24
DEN SEA
Arrived On time
06:14 08:26
06:38 08:40
182min Boeing 737MAX 9 Passenger
2025-11-06
DEN SEA
Scheduled On time
07:00 09:07
07:00 08:54
187min Boeing 737-900 Passenger (Scimitar Winglets)
2025-10-28
DEN SEA
Scheduled On time
07:00 09:07
07:00 09:07
187min Boeing 737MAX 9 Passenger
2025-08-07
DEN SEA
Scheduled
2025-08-07 06:00 2025-08-07 08:01
-
181min -
2025-08-06
DEN SEA
Scheduled
2025-08-06 06:00 2025-08-06 08:01
-
181min -
2025-08-05
DEN SEA
Scheduled
2025-08-05 06:00 2025-08-05 08:01
-
181min -
2025-08-04
DEN SEA
Scheduled
2025-08-04 06:00 2025-08-04 08:01
-
181min -
2025-08-03
DEN SEA
Scheduled
2025-08-03 06:00 2025-08-03 08:01
-
181min -
2025-08-02
DEN SEA
Departure Estimated dep 06:00
2025-08-02 06:00 2025-08-02 08:01
2025-08-02 06:00
181min Boeing 737-990(ER)
2025-08-01
DEN SEA
Departure Estimated dep 06:00
2025-08-01 06:00 2025-08-01 08:01
2025-08-01 06:00
181min Boeing 737-990(ER)
2025-07-31
DEN SEA
Departure Estimated dep 06:00
2025-07-31 06:00 2025-07-31 08:01
2025-07-31 06:00
181min Boeing 737 MAX 9
2025-07-30
DEN SEA
Arrived Early
2025-07-30 06:00 2025-07-30 08:01
2025-07-30 06:11 2025-07-30 07:24
133min Boeing 737-990(ER)
2025-07-29
DEN SEA
Arrived Early
2025-07-29 06:00 2025-07-29 08:01
2025-07-29 06:10 2025-07-29 07:21
131min Boeing 737-990(ER)
2025-07-28
DEN SEA
Arrived Early
2025-07-28 06:00 2025-07-28 08:01
2025-07-28 06:00 2025-07-28 07:22
141min Boeing 737-990(ER)
2025-07-27
DEN SEA
Arrived Early
2025-07-27 06:00 2025-07-27 08:01
2025-07-27 06:12 2025-07-27 07:35
142min Boeing 737-990(ER)
2025-07-26
DEN SEA
Arrived Early
2025-07-26 06:00 2025-07-26 08:01
2025-07-26 06:17 2025-07-26 07:32
136min Boeing 737-990(ER)
2025-07-25
DEN SEA
Arrived Early
2025-07-25 06:00 2025-07-25 08:01
2025-07-25 06:07 2025-07-25 07:27
140min Boeing 737 MAX 9
2025-07-24
DEN SEA
Arrived Early
2025-07-24 06:00 2025-07-24 08:01
2025-07-24 06:06 2025-07-24 07:27
141min Boeing 737 MAX 9
2025-06-01
DEN SEA
Scheduled
2025-06-01 06:00 2025-06-01 07:59
-
179min -
2025-05-31
DEN SEA
Scheduled
2025-05-31 06:00 2025-05-31 07:59
-
179min -
2025-05-30
DEN SEA
Scheduled
2025-05-30 06:00 2025-05-30 07:59
-
179min -
2025-05-29
DEN SEA
Scheduled
2025-05-29 06:00 2025-05-29 07:59
-
179min -
2025-05-28
DEN SEA
Scheduled
2025-05-28 06:00 2025-05-28 07:59
-
179min -
2025-05-27
DEN SEA
Scheduled
2025-05-27 06:00 2025-05-27 07:59
-
179min -
2025-05-26
DEN SEA
Scheduled
2025-05-26 06:00 2025-05-26 07:59
-
179min -

AS643 Live Status Details

Live Updates

This flight is monitored in real-time. Status updates every 5 minutes.

AS643 Related Information

Airline
Alaska Airlines
Departure Airport
DEN Departures
Arrival Airport
SEA Arrivals