Alaska Airlines flight AS 6399: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 10:04 Phoenix Sky Harbor (PHX) 4 12:43 Redmond/Bend (RDM)
AS 6399 Non-stop Embraer EMB 175 (E75) 2:39 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 10:04 Phoenix Sky Harbor (PHX) 4 12:40 Redmond/Bend (RDM)
AS 6399 Non-stop Embraer EMB 175 (E75) 2:36 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 10:04 Phoenix Sky Harbor (PHX) 4 13:01 Redmond/Bend (RDM)
AS 6399 Non-stop Embraer EMB 175 (E75) 2:57 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 10:30 Phoenix Sky Harbor (PHX) 4 13:02 Redmond/Bend (RDM)
AS 6399 Non-stop Embraer EMB 175 (E75) 2:32 Effective 2025-06-05 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 10:30 Phoenix Sky Harbor (PHX) 4 13:01 Redmond/Bend (RDM)
AS 6399 Non-stop Embraer EMB 175 (E75) 2:31 Effective 2025-07-05 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 11:04 Phoenix Sky Harbor (PHX) 4 12:54 Redmond/Bend (RDM)
AS 6399 Non-stop Embraer EMB 175 (E75) 2:50 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 11:04 Phoenix Sky Harbor (PHX) 4 13:00 Redmond/Bend (RDM)
AS 6399 Non-stop Embraer EMB 175 (E75) 2:56 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 11:04 Phoenix Sky Harbor (PHX) 4 12:53 Redmond/Bend (RDM)
AS 6399 Non-stop Embraer EMB 175 (E75) 2:49 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 11:04 Phoenix Sky Harbor (PHX) 4 12:49 Redmond/Bend (RDM)
AS 6399 Non-stop Embraer EMB 175 (E75) 2:45 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 11:04 Phoenix Sky Harbor (PHX) 4 12:40 Redmond/Bend (RDM)
AS 6399 Non-stop Embraer EMB 175 (E75) 2:36 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 13:35 Redmond/Bend (RDM) 16:03 Phoenix Sky Harbor (PHX) 4
AS 6399 Non-stop Embraer EMB 175 (E75) 2:28 Effective 2025-07-05 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 14:11 Redmond/Bend (RDM) 16:35 Phoenix Sky Harbor (PHX) 4
AS 6399 Non-stop Embraer EMB 175 (E75) 2:24 Effective 2025-06-05 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 15:11 Redmond/Bend (RDM) 18:50 Phoenix Sky Harbor (PHX) 4
AS 6399 Non-stop Embraer EMB 175 (E75) 2:39 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 15:13 Redmond/Bend (RDM) 18:50 Phoenix Sky Harbor (PHX) 4
AS 6399 Non-stop Embraer EMB 175 (E75) 2:37 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 15:16 Redmond/Bend (RDM) 18:50 Phoenix Sky Harbor (PHX) 4
AS 6399 Non-stop Embraer EMB 175 (E75) 2:34 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 15:17 Redmond/Bend (RDM) 17:50 Phoenix Sky Harbor (PHX) 4
AS 6399 Non-stop Embraer EMB 175 (E75) 2:33 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 15:17 Redmond/Bend (RDM) 18:50 Phoenix Sky Harbor (PHX) 4
AS 6399 Non-stop Embraer EMB 175 (E75) 2:33 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 15:18 Redmond/Bend (RDM) 18:50 Phoenix Sky Harbor (PHX) 4
AS 6399 Non-stop Embraer EMB 175 (E75) 2:32 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 3929)
Daily 15:23 Redmond/Bend (RDM) 17:50 Phoenix Sky Harbor (PHX) 4
AS 6399 Non-stop Embraer EMB 175 (E75) 2:27 Effective 2025-09-03 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3929)
Mon-Fri,Sun 16:40 Chicago O'Hare (ORD) 3 20:01 Boston Logan (BOS) B
AS 6399 Non-stop Boeing 737-800 (738) 2:21 Effective 2025-05-05 through 2025-05-14
Codeshare flight, operated by American Airlines.(AA 3010)
Mon,Wed-Fri,Sun 18:10 Austin (AUS) 20:55 Chicago O'Hare (ORD) 3
AS 6399 Non-stop Boeing 737-800 (738) 2:45 Valid until 2025-05-02
Codeshare flight, operated by American Airlines.(AA 1568)
Sun 18:41 Austin (AUS) 21:25 Chicago O'Hare (ORD) 3
AS 6399 Non-stop Airbus A319 (319) 2:44 Operates only on 2025-05-04
Codeshare flight, operated by American Airlines.(AA 1568)
Daily 20:51 Boston Logan (BOS) B 22:52 Chicago O'Hare (ORD) 3
AS 6399 Non-stop Boeing 737-800 (738) 3:01 Effective 2025-05-05 through 2025-05-23
Codeshare flight, operated by American Airlines.(AA 3010)
Daily 20:51 Boston Logan (BOS) B 22:52 Chicago O'Hare (ORD) 3
AS 6399 Non-stop Boeing 737-800 (738) 3:01 Effective 2025-05-25 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 3010)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 6399: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS6399
10:04
Phoenix Sky Harbor (PHX) 4

12:43
Redmond/Bend (RDM)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:39, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
10:04
Phoenix Sky Harbor (PHX) 4

12:40
Redmond/Bend (RDM)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:36, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
10:04
Phoenix Sky Harbor (PHX) 4

13:01
Redmond/Bend (RDM)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:57, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
10:30
Phoenix Sky Harbor (PHX) 4

13:02
Redmond/Bend (RDM)
Effective 2025-06-05 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:32, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
10:30
Phoenix Sky Harbor (PHX) 4

13:01
Redmond/Bend (RDM)
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:31, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
11:04
Phoenix Sky Harbor (PHX) 4

12:54
Redmond/Bend (RDM)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:50, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
11:04
Phoenix Sky Harbor (PHX) 4

13:00
Redmond/Bend (RDM)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:56, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
11:04
Phoenix Sky Harbor (PHX) 4

12:53
Redmond/Bend (RDM)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:49, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
11:04
Phoenix Sky Harbor (PHX) 4

12:49
Redmond/Bend (RDM)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:45, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
11:04
Phoenix Sky Harbor (PHX) 4

12:40
Redmond/Bend (RDM)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:36, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
13:35
Redmond/Bend (RDM)

16:03
Phoenix Sky Harbor (PHX) 4
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:28, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
14:11
Redmond/Bend (RDM)

16:35
Phoenix Sky Harbor (PHX) 4
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:24, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
15:11
Redmond/Bend (RDM)

18:50
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:39, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
15:13
Redmond/Bend (RDM)

18:50
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:37, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
15:16
Redmond/Bend (RDM)

18:50
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:34, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
15:17
Redmond/Bend (RDM)

17:50
Phoenix Sky Harbor (PHX) 4
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:33, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
15:17
Redmond/Bend (RDM)

18:50
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:33, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
15:18
Redmond/Bend (RDM)

18:50
Phoenix Sky Harbor (PHX) 4
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:32, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
15:23
Redmond/Bend (RDM)

17:50
Phoenix Sky Harbor (PHX) 4
Effective 2025-09-03 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3929)
Duration: 2:27, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6399
16:40
Chicago O'Hare (ORD) 3

20:01
Boston Logan (BOS) B
Effective 2025-05-05 through 2025-05-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3010)
Duration: 2:21, non-stop
Boeing 737-800 (738)
Alaska Airlines AS6399
18:10
Austin (AUS)

20:55
Chicago O'Hare (ORD) 3
Valid until 2025-05-02
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1568)
Duration: 2:45, non-stop
Boeing 737-800 (738)
Alaska Airlines AS6399
18:41
Austin (AUS)

21:25
Chicago O'Hare (ORD) 3
Operates only on 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1568)
Duration: 2:44, non-stop
Airbus A319 (319)
Alaska Airlines AS6399
20:51
Boston Logan (BOS) B

22:52
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3010)
Duration: 3:01, non-stop
Boeing 737-800 (738)
Alaska Airlines AS6399
20:51
Boston Logan (BOS) B

22:52
Chicago O'Hare (ORD) 3
Effective 2025-05-25 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3010)
Duration: 3:01, non-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Chicago O'Hare (ORD)
  • Chicago O'Hare (ORD) - Boston Logan (BOS)
  • Phoenix Sky Harbor (PHX) - Redmond/Bend (RDM)
All Alaska Airlines flights
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