Alaska Airlines flight AS 4399: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 07:00 Minneapolis/Saint Paul (MSP) 1 09:04 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 175 (E75) 2:04 Effective 2025-09-03 through 2025-09-12
Codeshare flight, operated by American Airlines.(AA 4453)
Daily 07:00 Minneapolis/Saint Paul (MSP) 1 09:04 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 175 (E75) 2:04 Effective 2025-09-28 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 4453)
Mon,Wed-Fri,Sun 07:36 Chicago O'Hare (ORD) 3 10:45 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 175 (E75) 2:09 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 4453)
Daily 08:00 Chicago O'Hare (ORD) 3 11:04 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 175 (E75) 2:04 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3794)
Daily 08:00 Chicago O'Hare (ORD) 3 11:00 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 175 (E75) 2:00 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 3794)
Sat 08:25 Chicago O'Hare (ORD) 3 11:28 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 175 (E75) 2:03 Valid until 2025-05-03
Codeshare flight, operated by American Airlines.(AA 4453)
Daily 09:40 Chicago O'Hare (ORD) 3 12:50 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 175 (E75) 2:10 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3794)
Mon-Wed,Sat,Sun 10:44 Little Rock (LIT) 12:40 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:56 Effective 2025-05-10 through 2025-05-14
Codeshare flight, operated by American Airlines.(AA 3669)
Fri 11:12 Moline (MLI) 12:24 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:12 Operates only on 2025-07-04
Codeshare flight, operated by American Airlines.(AA 3651)
Mon,Wed-Fri,Sun 11:15 Atlanta (ATL) N 12:43 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 175 (E75) 2:28 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 4453)
Mon,Wed-Sun 11:23 Moline (MLI) 12:33 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:10 Effective 2025-07-05 through 2025-08-04
Codeshare flight, operated by American Airlines.(AA 3651)
Mon,Wed-Sun 11:24 Moline (MLI) 12:36 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:12 Effective 2025-06-05 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 3651)
Tue 11:44 Cincinnati (CVG) 12:15 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 175 (E75) 1:31 Effective 2025-07-08 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 4789)
Sat 12:57 Atlanta (ATL) N 14:18 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 175 (E75) 2:21 Valid until 2025-05-03
Codeshare flight, operated by American Airlines.(AA 4453)
Daily 15:03 Madison (MSN) 16:08 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:05 Effective 2025-09-13 through 2025-09-27
Codeshare flight, operated by American Airlines.(AA 3675)
Mon-Fri 17:38 Memphis (MEM) 19:33 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Canadair CRJ 700 (CR7) 1:55 Effective 2025-05-05 through 2025-05-09
Codeshare flight, operated by American Airlines.(AA 6384)
Daily 17:38 Memphis (MEM) 19:33 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Canadair CRJ 700 (CR7) 1:55 Effective 2025-05-15 through 2025-05-23
Codeshare flight, operated by American Airlines.(AA 6384)
Daily 17:38 Memphis (MEM) 19:33 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Canadair CRJ 700 (CR7) 1:55 Effective 2025-05-25 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 6384)
Daily 17:53 Cleveland Hopkins (CLE) 18:28 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Canadair CRJ 700 (CR7) 1:35 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 5002)
Sat 18:30 Chicago O'Hare (ORD) 3 21:08 Cleveland Hopkins (CLE)
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:38 Effective 2025-10-11 through 2025-10-18
Codeshare flight, operated by American Airlines.(AA 3390)
Mon-Fri 20:20 Chicago O'Hare (ORD) 3 21:19 Moline (MLI)
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:59 Effective 2025-10-06 through 2025-10-10
Codeshare flight, operated by American Airlines.(AA 3378)
Daily 22:59 Phoenix Sky Harbor (PHX) 4 05:26 Philadelphia (PHL)
AS 4399 Non-stop Airbus A321neo (32Q) 4:27 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 2940)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
Alaska Airlines flight AS 4399: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Alaska Airlines AS4399
Effective 2025-09-03 through 2025-09-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4453)
Duration: 2:04, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4399
Effective 2025-09-28 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4453)
Duration: 2:04, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4399
Valid until 2025-05-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4453)
Duration: 2:09, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4399
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:04, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4399
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:00, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4399
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4453)
Duration: 2:03, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4399
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:10, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4399
Effective 2025-05-10 through 2025-05-14
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3669)
Duration: 1:56, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4399
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3651)
Duration: 1:12, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4399
Valid until 2025-05-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4453)
Duration: 2:28, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4399
Effective 2025-07-05 through 2025-08-04
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3651)
Duration: 1:10, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4399
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3651)
Duration: 1:12, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4399
Effective 2025-07-08 through 2025-08-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4789)
Duration: 1:31, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4399
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4453)
Duration: 2:21, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4399
Effective 2025-09-13 through 2025-09-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3675)
Duration: 1:05, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4399
Effective 2025-05-05 through 2025-05-09
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6384)
Duration: 1:55, non-stop
Canadair CRJ 700 (CR7)

Alaska Airlines AS4399
Effective 2025-05-15 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6384)
Duration: 1:55, non-stop
Canadair CRJ 700 (CR7)

Alaska Airlines AS4399
Effective 2025-05-25 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6384)
Duration: 1:55, non-stop
Canadair CRJ 700 (CR7)

Alaska Airlines AS4399
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5002)
Duration: 1:35, non-stop
Canadair CRJ 700 (CR7)

Alaska Airlines AS4399
Effective 2025-10-11 through 2025-10-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3390)
Duration: 1:38, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4399
Effective 2025-10-06 through 2025-10-10
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3378)
Duration: 0:59, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4399
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2940)
Duration: 4:27, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Atlanta (ATL)
  • Chicago O'Hare (ORD) - Moline (MLI)
  • Cincinnati (CVG) - Chicago O'Hare (ORD)
  • Cleveland Hopkins (CLE) - Chicago O'Hare (ORD)
  • Little Rock (LIT) - Chicago O'Hare (ORD)
  • Madison (MSN) - Chicago O'Hare (ORD)
  • Memphis (MEM) - Chicago O'Hare (ORD)
  • Minneapolis/Saint Paul (MSP) - Chicago O'Hare (ORD)
  • Phoenix Sky Harbor (PHX) - Philadelphia (PHL)