Alaska Airlines flight AS 2143: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Wed 09:00 Boise (BOI) 09:45 San Francisco (SFO) 1
AS 2143 Non-stop Embraer EMB 175 (E75) 1:45 Operates only on 2026-03-18
Daily 09:00 Boise (BOI) 09:58 San Francisco (SFO) 1
AS 2143 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-03-19 through 2026-04-24
Mon-Fri,Sun 09:00 Boise (BOI) 09:58 San Francisco (SFO) 1
AS 2143 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-04-26 through 2026-05-12
Daily 14:52 San Francisco (SFO) 1 16:26 Palm Springs (PSP)
AS 2143 Non-stop Embraer EMB 175 (E75) 1:34 Effective from 2026-06-10
Sat 14:54 San Francisco (SFO) 1 16:30 San Diego (SAN) 2
AS 2143 Non-stop Embraer EMB 175 (E75) 1:36 Operates only on 2026-03-07
Tue,Wed 17:02 San Francisco (SFO) 1 18:36 San Diego (SAN) 2
AS 2143 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2026-01-07 through 2026-02-11
Mon,Thu,Fri,Sun 17:16 San Francisco (SFO) 1 18:50 San Diego (SAN) 2
AS 2143 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2026-01-08 through 2026-02-09
Sat 18:43 San Francisco (SFO) 1 20:17 San Diego (SAN) 2
AS 2143 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2026-01-10 through 2026-02-07
Daily 19:55 Seattle-Tacoma (SEA) 22:20 San Luis Obispo (SBP)
AS 2143 Non-stop Embraer EMB 175 (E75) 2:25 Effective 2026-05-13 through 2026-06-09
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 2143: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS2143
09:00
Boise (BOI)

09:45
San Francisco (SFO) 1
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Embraer EMB 175 (E75)
Direct Flights:
Alaska Airlines AS2143
09:00
Boise (BOI)

09:58
San Francisco (SFO) 1
Effective 2026-03-19 through 2026-04-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:58, non-stop
Embraer EMB 175 (E75)
Direct Flights:
Alaska Airlines AS2143
09:00
Boise (BOI)

09:58
San Francisco (SFO) 1
Effective 2026-04-26 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:58, non-stop
Embraer EMB 175 (E75)
Direct Flights:
Alaska Airlines AS2143
14:52
San Francisco (SFO) 1

16:26
Palm Springs (PSP)
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
Direct Flights:
Alaska Airlines AS2143
14:54
San Francisco (SFO) 1

16:30
San Diego (SAN) 2
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:36, non-stop
Embraer EMB 175 (E75)
Direct Flights:
Alaska Airlines AS2143
17:02
San Francisco (SFO) 1

18:36
San Diego (SAN) 2
Effective 2026-01-07 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
Direct Flights:
Alaska Airlines AS2143
17:16
San Francisco (SFO) 1

18:50
San Diego (SAN) 2
Effective 2026-01-08 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
Direct Flights:
Alaska Airlines AS2143
18:43
San Francisco (SFO) 1

20:17
San Diego (SAN) 2
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
Direct Flights:
Alaska Airlines AS2143
19:55
Seattle-Tacoma (SEA)

22:20
San Luis Obispo (SBP)
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:25, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Boise (BOI) - San Francisco (SFO)
  • San Francisco (SFO) - Palm Springs (PSP)
  • San Francisco (SFO) - San Diego (SAN)
  • Seattle-Tacoma (SEA) - San Luis Obispo (SBP)
All Alaska Airlines flights
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