Alaska Airlines flight AS 4256: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Sun 06:59 Chicago O'Hare (ORD) 3 09:27 Detroit (DTW) E
AS 4256 Non-stop Canadair CRJ 700 (CR7) 1:28 Effective 2025-09-28 through 2025-09-29
Codeshare flight, operated by American Airlines.(AA 6374)
Daily 07:00 Minneapolis/Saint Paul (MSP) 1 09:04 Chicago O'Hare (ORD) 3
AS 4256 Non-stop Embraer EMB 175 (E75) 2:04 Effective 2025-09-13 through 2025-09-27
Codeshare flight, operated by American Airlines.(AA 4453)
Sat,Sun 08:00 Chicago O'Hare (ORD) 3 10:57 Baltimore (BWI)
AS 4256 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2025-10-04 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 3803)
Mon-Fri,Sun 09:42 Los Angeles (LAX) 15:01 Omaha (OMA)
AS 4256 Non-stop Embraer EMB 175 (E75) 3:19 Effective 2025-10-26 through 2025-10-31
Codeshare flight, operated by American Airlines.(AA 6478)
Mon,Sun 10:11 Detroit (DTW) E 10:44 Chicago O'Hare (ORD) 3
AS 4256 Non-stop Canadair CRJ 700 (CR7) 1:33 Effective 2025-09-28 through 2025-09-29
Codeshare flight, operated by American Airlines.(AA 6374)
Sat 10:32 Philadelphia (PHL) F 12:14 Myrtle Beach (MYR)
AS 4256 Non-stop Embraer ERJ 145 (ER4) 1:42 Effective 2025-06-07 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 5891)
Wed-Fri 11:42 El Paso (ELP) 16:01 Chicago O'Hare (ORD) 3
AS 4256 Non-stop Embraer EMB 175 (E75) 3:19 Effective 2025-09-03 through 2025-09-05
Codeshare flight, operated by American Airlines.(AA 3779)
Daily 13:39 Cleveland Hopkins (CLE) 15:10 Ronald Reagan Washington (DCA) 2
AS 4256 Non-stop Canadair CRJ 700 (CR7) 1:31 Effective 2025-07-07 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 5041)
Daily 14:35 Los Angeles (LAX) 19:30 Oklahoma City (OKC)
AS 4256 Non-stop Embraer EMB 175 (E75) 2:55 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 6312)
Daily 14:40 Dallas Fort Worth (DFW) 16:11 McAllen/Mission (MFE)
AS 4256 Non-stop Airbus A319 (319) 1:31 Effective 2025-08-06 through 2025-08-19
Codeshare flight, operated by American Airlines.(AA 528)
Mon,Thu-Sun 14:40 Dallas Fort Worth (DFW) 16:11 McAllen/Mission (MFE)
AS 4256 Non-stop Airbus A319 (319) 1:31 Effective 2025-08-21 through 2025-09-01
Codeshare flight, operated by American Airlines.(AA 528)
Mon,Thu,Fri,Sun 14:42 Chicago O'Hare (ORD) 3 17:38 San Antonio (SAT)
AS 4256 Non-stop Airbus A319 (319) 2:56 Effective 2025-09-07 through 2025-09-12
Codeshare flight, operated by American Airlines.(AA 3314)
Fri 14:42 Chicago O'Hare (ORD) 3 17:38 San Antonio (SAT)
AS 4256 Non-stop Airbus A319 (319) 2:56 Operates only on 2025-10-03
Codeshare flight, operated by American Airlines.(AA 3314)
Daily 15:54 Buffalo (BUF) 17:14 Philadelphia (PHL) F
AS 4256 Non-stop Embraer ERJ 145 (ER4) 1:20 Effective 2025-05-05 through 2025-05-23
Codeshare flight, operated by American Airlines.(AA 5923)
Daily 15:54 Buffalo (BUF) 17:14 Philadelphia (PHL) F
AS 4256 Non-stop Embraer ERJ 145 (ER4) 1:20 Effective 2025-05-25 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 5923)
Daily 16:00 Buffalo (BUF) 17:21 Philadelphia (PHL) F
AS 4256 Non-stop Embraer ERJ 145 (ER4) 1:21 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 5923)
Daily 16:31 Buffalo (BUF) 17:55 Philadelphia (PHL) F
AS 4256 Non-stop Embraer ERJ 145 (ER4) 1:24 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 5866)
Daily 16:34 Buffalo (BUF) 17:55 Philadelphia (PHL) F
AS 4256 Non-stop Embraer ERJ 145 (ER4) 1:21 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 5866)
Mon-Fri,Sun 16:53 Madison (MSN) 18:00 Chicago O'Hare (ORD) 3
AS 4256 Non-stop Canadair CRJ 700 (CR7) 1:07 Effective 2025-11-02 through 2025-11-07
Codeshare flight, operated by American Airlines.(AA 6471)
Sat,Sun 18:20 Wichita (ICT) 19:43 Dallas Fort Worth (DFW)
AS 4256 Non-stop Embraer EMB 175 (E75) 1:23 Effective 2025-07-05 through 2025-07-06
Codeshare flight, operated by American Airlines.(AA 3712)
Mon,Thu-Sun 18:28 San Antonio (SAT) 21:25 Chicago O'Hare (ORD) 3
AS 4256 Non-stop Airbus A319 (319) 2:57 Effective 2025-09-06 through 2025-09-12
Codeshare flight, operated by American Airlines.(AA 3314)
Tue,Wed,Fri 18:28 San Antonio (SAT) 21:25 Chicago O'Hare (ORD) 3
AS 4256 Non-stop Airbus A319 (319) 2:57 Effective 2025-09-30 through 2025-10-03
Codeshare flight, operated by American Airlines.(AA 3314)
Daily 20:00 Oklahoma City (OKC) 21:28 Los Angeles (LAX)
AS 4256 Non-stop Embraer EMB 175 (E75) 3:28 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 6312)
Thu 20:32 Killeen/Fort Hood (GRK) 21:40 Dallas Fort Worth (DFW) E
AS 4256 Non-stop Canadair CRJ 700 (CR7) 1:08 Operates only on 2025-10-02
Codeshare flight, operated by American Airlines.(AA 4937)
Mon-Fri,Sun 20:36 Ronald Reagan Washington (DCA) 2 21:35 Huntsville (HSV)
AS 4256 Non-stop Canadair CRJ 700 (CR7) 1:59 Effective 2025-06-05 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 5557)
Daily 20:50 Dallas Fort Worth (DFW) E 22:29 Gulfport/Biloxi (GPT)
AS 4256 Non-stop Canadair CRJ 700 (CR7) 1:39 Effective 2025-11-08 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 6536)
Daily 20:50 Dallas Fort Worth (DFW) E 22:33 Gulfport/Biloxi (GPT)
AS 4256 Non-stop Canadair CRJ 700 (CR7) 1:43 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 6536)
Sat 23:55 Phoenix Sky Harbor (PHX) 4 06:10 Ronald Reagan Washington (DCA) 2
AS 4256 Non-stop Airbus A321neo (32Q) 4:15 Operates only on 2025-11-01
Codeshare flight, operated by American Airlines.(AA 2476)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4256: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4256
06:59
Chicago O'Hare (ORD) 3

09:27
Detroit (DTW) E
Effective 2025-09-28 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6374)
Duration: 1:28, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4256
07:00
Minneapolis/Saint Paul (MSP) 1

09:04
Chicago O'Hare (ORD) 3
Effective 2025-09-13 through 2025-09-27
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 AS4256
08:00
Chicago O'Hare (ORD) 3

10:57
Baltimore (BWI)
Effective 2025-10-04 through 2025-10-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3803)
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4256
09:42
Los Angeles (LAX)

15:01
Omaha (OMA)
Effective 2025-10-26 through 2025-10-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6478)
Duration: 3:19, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4256
10:11
Detroit (DTW) E

10:44
Chicago O'Hare (ORD) 3
Effective 2025-09-28 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6374)
Duration: 1:33, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4256
10:32
Philadelphia (PHL) F

12:14
Myrtle Beach (MYR)
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 5891)
Duration: 1:42, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4256
11:42
El Paso (ELP)

16:01
Chicago O'Hare (ORD) 3
Effective 2025-09-03 through 2025-09-05
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3779)
Duration: 3:19, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4256
13:39
Cleveland Hopkins (CLE)

15:10
Ronald Reagan Washington (DCA) 2
Effective 2025-07-07 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5041)
Duration: 1:31, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4256
14:35
Los Angeles (LAX)

19:30
Oklahoma City (OKC)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6312)
Duration: 2:55, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4256
14:40
Dallas Fort Worth (DFW)

16:11
McAllen/Mission (MFE)
Effective 2025-08-06 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 528)
Duration: 1:31, non-stop
Airbus A319 (319)
Alaska Airlines AS4256
14:40
Dallas Fort Worth (DFW)

16:11
McAllen/Mission (MFE)
Effective 2025-08-21 through 2025-09-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 528)
Duration: 1:31, non-stop
Airbus A319 (319)
Alaska Airlines AS4256
14:42
Chicago O'Hare (ORD) 3

17:38
San Antonio (SAT)
Effective 2025-09-07 through 2025-09-12
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3314)
Duration: 2:56, non-stop
Airbus A319 (319)
Alaska Airlines AS4256
14:42
Chicago O'Hare (ORD) 3

17:38
San Antonio (SAT)
Operates only on 2025-10-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3314)
Duration: 2:56, non-stop
Airbus A319 (319)
Alaska Airlines AS4256
15:54
Buffalo (BUF)

17:14
Philadelphia (PHL) F
Effective 2025-05-05 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5923)
Duration: 1:20, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4256
15:54
Buffalo (BUF)

17:14
Philadelphia (PHL) F
Effective 2025-05-25 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5923)
Duration: 1:20, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4256
16:00
Buffalo (BUF)

17:21
Philadelphia (PHL) F
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5923)
Duration: 1:21, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4256
16:31
Buffalo (BUF)

17:55
Philadelphia (PHL) F
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5866)
Duration: 1:24, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4256
16:34
Buffalo (BUF)

17:55
Philadelphia (PHL) F
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5866)
Duration: 1:21, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4256
16:53
Madison (MSN)

18:00
Chicago O'Hare (ORD) 3
Effective 2025-11-02 through 2025-11-07
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6471)
Duration: 1:07, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4256
18:20
Wichita (ICT)

19:43
Dallas Fort Worth (DFW)
Effective 2025-07-05 through 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3712)
Duration: 1:23, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4256
18:28
San Antonio (SAT)

21:25
Chicago O'Hare (ORD) 3
Effective 2025-09-06 through 2025-09-12
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3314)
Duration: 2:57, non-stop
Airbus A319 (319)
Alaska Airlines AS4256
18:28
San Antonio (SAT)

21:25
Chicago O'Hare (ORD) 3
Effective 2025-09-30 through 2025-10-03
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3314)
Duration: 2:57, non-stop
Airbus A319 (319)
Alaska Airlines AS4256
20:00
Oklahoma City (OKC)

21:28
Los Angeles (LAX)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6312)
Duration: 3:28, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4256
20:32
Killeen/Fort Hood (GRK)

21:40
Dallas Fort Worth (DFW) E
Operates only on 2025-10-02
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4937)
Duration: 1:08, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4256
20:36
Ronald Reagan Washington (DCA) 2

21:35
Huntsville (HSV)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5557)
Duration: 1:59, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4256
20:50
Dallas Fort Worth (DFW) E

22:29
Gulfport/Biloxi (GPT)
Effective 2025-11-08 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6536)
Duration: 1:39, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4256
20:50
Dallas Fort Worth (DFW) E

22:33
Gulfport/Biloxi (GPT)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6536)
Duration: 1:43, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4256
23:55
Phoenix Sky Harbor (PHX) 4

06:10(+1)
Ronald Reagan Washington (DCA) 2
Operates only on 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2476)
Duration: 4:15, 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:
  • Buffalo (BUF) - Philadelphia (PHL)
  • Chicago O'Hare (ORD) - Baltimore (BWI)
  • Chicago O'Hare (ORD) - Detroit (DTW)
  • Chicago O'Hare (ORD) - San Antonio (SAT)
  • Cleveland Hopkins (CLE) - Ronald Reagan Washington (DCA)
  • Dallas Fort Worth (DFW) - Gulfport/Biloxi (GPT)
  • Dallas Fort Worth (DFW) - McAllen/Mission (MFE)
  • El Paso (ELP) - Chicago O'Hare (ORD)
  • Killeen/Fort Hood (GRK) - Dallas Fort Worth (DFW)
  • Los Angeles (LAX) - Oklahoma City (OKC)
  • Los Angeles (LAX) - Omaha (OMA)
  • Madison (MSN) - Chicago O'Hare (ORD)
  • Minneapolis/Saint Paul (MSP) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - Myrtle Beach (MYR)
  • Phoenix Sky Harbor (PHX) - Ronald Reagan Washington (DCA)
  • Ronald Reagan Washington (DCA) - Huntsville (HSV)
  • Wichita (ICT) - Dallas Fort Worth (DFW)
All Alaska Airlines flights
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