Alaska Airlines flight AS 4000: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 05:10 Buffalo (BUF) 06:05 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Embraer EMB 175 (E75) 1:55 Effective 2025-05-15 through 2025-05-24
Codeshare flight, operated by American Airlines.(AA 4377)
Mon-Fri 05:10 Buffalo (BUF) 06:05 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Embraer EMB 175 (E75) 1:55 Effective 2025-05-26 through 2025-05-30
Codeshare flight, operated by American Airlines.(AA 4377)
Thu,Fri,Sun 06:00 Grand Rapids (GRR) 06:10 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Canadair CRJ 700 (CR7) 1:10 Effective 2025-05-08 through 2025-05-11
Codeshare flight, operated by American Airlines.(AA 6278)
Daily 06:00 El Paso (ELP) 10:14 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Embraer EMB 175 (E75) 3:14 Effective 2025-08-20 through 2025-08-30
Codeshare flight, operated by American Airlines.(AA 4029)
Daily 06:06 Grand Rapids (GRR) 06:15 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Boeing 737-800 (738) 1:09 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 1792)
Mon 06:51 El Paso (ELP) 11:02 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Embraer EMB 175 (E75) 3:11 Operates only on 2025-05-05
Codeshare flight, operated by American Airlines.(AA 3763)
Daily 07:10 Grand Rapids (GRR) 07:25 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Boeing 737-800 (738) 1:15 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 1792)
Daily 07:10 Grand Rapids (GRR) 07:25 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 1792)
Daily 07:11 Grand Rapids (GRR) 07:25 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Boeing 737-800 (738) 1:14 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 1792)
Daily 07:12 Grand Rapids (GRR) 07:25 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Boeing 737-800 (738) 1:13 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 1792)
Daily 07:45 Madison (MSN) 09:20 Phoenix Sky Harbor (PHX) 4
AS 4000 Non-stop Airbus A319 (319) 3:35 Effective 2025-06-05 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 634)
Sun 08:01 Chicago O'Hare (ORD) 3 10:51 Ronald Reagan Washington (DCA) 2
AS 4000 Non-stop Airbus A319 (319) 1:50 Effective 2025-07-06 through 2025-07-27
Codeshare flight, operated by American Airlines.(AA 2345)
Mon-Fri 08:05 Chicago O'Hare (ORD) 3 10:55 Ronald Reagan Washington (DCA) 2
AS 4000 Non-stop Airbus A319 (319) 1:50 Effective 2025-07-07 through 2025-08-01
Codeshare flight, operated by American Airlines.(AA 2345)
Daily 08:05 Chicago O'Hare (ORD) 3 10:55 Ronald Reagan Washington (DCA) 2
AS 4000 Non-stop Airbus A319 (319) 1:50 Effective 2025-09-03 through 2025-10-03
Codeshare flight, operated by American Airlines.(AA 2345)
Mon 08:49 Dallas Fort Worth (DFW) 12:11 Savannah (SAV)
AS 4000 Non-stop Embraer EMB 175 (E75) 2:22 Operates only on 2025-05-12
Codeshare flight, operated by American Airlines.(AA 4145)
Sun 10:11 Buffalo (BUF) 11:07 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Embraer EMB 175 (E75) 1:56 Operates only on 2025-05-25
Codeshare flight, operated by American Airlines.(AA 4377)
Sat 11:10 Philadelphia (PHL) F 12:39 Providence (PVD)
AS 4000 Non-stop Embraer ERJ 145 (ER4) 1:29 Operates only on 2025-05-31
Codeshare flight, operated by American Airlines.(AA 5725)
Daily 12:19 Dallas Fort Worth (DFW) 13:27 San Diego (SAN) 2
AS 4000 Non-stop Airbus A321 (321) 3:08 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 1939)
Daily 12:42 Philadelphia (PHL) 14:12 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Boeing 737-800 (738) 2:30 Effective 2025-08-06 through 2025-08-19
Codeshare flight, operated by American Airlines.(AA 471)
Sat,Sun 12:42 Philadelphia (PHL) 14:12 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Boeing 737-800 (738) 2:30 Effective 2025-10-04 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 471)
Sat 13:03 Dallas Fort Worth (DFW) 14:38 Brownsville (BRO)
AS 4000 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2025-07-12 through 2025-07-26
Codeshare flight, operated by American Airlines.(AA 3794)
Mon 13:04 Savannah (SAV) 15:10 Dallas Fort Worth (DFW)
AS 4000 Non-stop Embraer EMB 175 (E75) 3:06 Operates only on 2025-05-12
Codeshare flight, operated by American Airlines.(AA 4145)
Sat 13:34 Dallas Fort Worth (DFW) 14:30 San Diego (SAN) 2
AS 4000 Non-stop Airbus A321 (321) 2:56 Operates only on 2025-07-05
Codeshare flight, operated by American Airlines.(AA 1939)
Daily 13:49 Chicago O'Hare (ORD) 3 16:20 Buffalo (BUF)
AS 4000 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:31 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 3934)
Daily 16:56 Buffalo (BUF) 17:53 Chicago O'Hare (ORD) 3
AS 4000 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:57 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 3934)
Tue,Wed 17:35 Ronald Reagan Washington (DCA) 2 19:34 Atlanta (ATL) N
AS 4000 Non-stop Embraer EMB 175 (E75) 1:59 Effective 2025-05-06 through 2025-05-13
Codeshare flight, operated by American Airlines.(AA 4392)
Mon,Tue,Sat,Sun 18:35 Chicago O'Hare (ORD) 3 21:13 Pittsburgh (PIT)
AS 4000 Non-stop Airbus A319 (319) 1:38 Effective 2025-08-02 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 555)
Wed 18:49 Albuquerque (ABQ) 19:15 Phoenix Sky Harbor (PHX) 4
AS 4000 Non-stop Embraer EMB 175 (E75) 1:26 Operates only on 2025-05-14
Codeshare flight, operated by American Airlines.(AA 6364)
Sat 19:25 Chicago O'Hare (ORD) 3 22:07 Knoxville (TYS)
AS 4000 Non-stop Embraer ERJ 145 (ER4) 1:42 Operates only on 2025-05-10
Codeshare flight, operated by American Airlines.(AA 5861)
Mon,Wed,Sun 20:00 Ronald Reagan Washington (DCA) 2 22:05 Charleston (CHS)
AS 4000 Non-stop Embraer EMB 175 (E75) 2:05 Effective 2025-06-01 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 4406)
Daily 20:20 Chicago O'Hare (ORD) 3 23:22 Greenville/Spartanburg (GSP)
AS 4000 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:02 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 3731)
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This flight number is listed as serving the following routes:
Alaska Airlines flight AS 4000: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Alaska Airlines AS4000
Effective 2025-05-15 through 2025-05-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4377)
Duration: 1:55, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4000
Effective 2025-05-26 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4377)
Duration: 1:55, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4000
Effective 2025-05-08 through 2025-05-11
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6278)
Duration: 1:10, non-stop
Canadair CRJ 700 (CR7)

Alaska Airlines AS4000
Effective 2025-08-20 through 2025-08-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4029)
Duration: 3:14, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4000
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1792)
Duration: 1:09, non-stop
Boeing 737-800 (738)

Alaska Airlines AS4000
Operates only on 2025-05-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3763)
Duration: 3:11, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4000
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1792)
Duration: 1:15, non-stop
Boeing 737-800 (738)

Alaska Airlines AS4000
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1792)
Duration: 1:15, non-stop
Boeing 737-800 (738)

Alaska Airlines AS4000
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1792)
Duration: 1:14, non-stop
Boeing 737-800 (738)

Alaska Airlines AS4000
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1792)
Duration: 1:13, non-stop
Boeing 737-800 (738)

Alaska Airlines AS4000
Effective 2025-06-05 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 634)
Duration: 3:35, non-stop
Airbus A319 (319)

Alaska Airlines AS4000
Effective 2025-07-06 through 2025-07-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2345)
Duration: 1:50, non-stop
Airbus A319 (319)

Alaska Airlines AS4000
Effective 2025-07-07 through 2025-08-01
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2345)
Duration: 1:50, non-stop
Airbus A319 (319)

Alaska Airlines AS4000
Effective 2025-09-03 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2345)
Duration: 1:50, non-stop
Airbus A319 (319)

Alaska Airlines AS4000
Operates only on 2025-05-12
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4145)
Duration: 2:22, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4000
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4377)
Duration: 1:56, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4000
Operates only on 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 5725)
Duration: 1:29, non-stop
Embraer ERJ 145 (ER4)

Alaska Airlines AS4000
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1939)
Duration: 3:08, non-stop
Airbus A321 (321)

Alaska Airlines AS4000
Effective 2025-08-06 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 471)
Duration: 2:30, non-stop
Boeing 737-800 (738)

Alaska Airlines AS4000
Effective 2025-10-04 through 2025-10-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 471)
Duration: 2:30, non-stop
Boeing 737-800 (738)

Alaska Airlines AS4000
Effective 2025-07-12 through 2025-07-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 1:35, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4000
Operates only on 2025-05-12
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4145)
Duration: 3:06, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4000
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1939)
Duration: 2:56, non-stop
Airbus A321 (321)

Alaska Airlines AS4000
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3934)
Duration: 1:31, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4000
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3934)
Duration: 1:57, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4000
Effective 2025-05-06 through 2025-05-13
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4392)
Duration: 1:59, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4000
Effective 2025-08-02 through 2025-08-05
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 555)
Duration: 1:38, non-stop
Airbus A319 (319)

Alaska Airlines AS4000
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6364)
Duration: 1:26, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4000
Operates only on 2025-05-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 5861)
Duration: 1:42, non-stop
Embraer ERJ 145 (ER4)

Alaska Airlines AS4000
Effective 2025-06-01 through 2025-06-04
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4406)
Duration: 2:05, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4000
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3731)
Duration: 2:02, non-stop
Embraer EMB 170 / EMB 175 (E70)
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This flight number is listed as serving the following routes:
  • Albuquerque (ABQ) - Phoenix Sky Harbor (PHX)
  • Chicago O'Hare (ORD) - Buffalo (BUF)
  • Chicago O'Hare (ORD) - Greenville/Spartanburg (GSP)
  • Chicago O'Hare (ORD) - Knoxville (TYS)
  • Chicago O'Hare (ORD) - Pittsburgh (PIT)
  • Chicago O'Hare (ORD) - Ronald Reagan Washington (DCA)
  • Dallas Fort Worth (DFW) - Brownsville (BRO)
  • Dallas Fort Worth (DFW) - San Diego (SAN)
  • Dallas Fort Worth (DFW) - Savannah (SAV)
  • El Paso (ELP) - Chicago O'Hare (ORD)
  • Grand Rapids (GRR) - Chicago O'Hare (ORD)
  • Madison (MSN) - Phoenix Sky Harbor (PHX)
  • Philadelphia (PHL) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - Providence (PVD)
  • Ronald Reagan Washington (DCA) - Atlanta (ATL)
  • Ronald Reagan Washington (DCA) - Charleston (CHS)