Alaska Airlines flight AS 4570: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 05:05 Fayetteville/Springdale (XNA) 06:52 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Boeing 737-800 (738) 1:47 Operates only on 2025-06-07
Codeshare flight, operated by American Airlines.(AA 1323)
Mon,Thu,Fri,Sun 06:35 Boston Logan (BOS) B 08:31 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Boeing 737-800 (738) 2:56 Effective 2025-05-05 through 2025-05-12
Codeshare flight, operated by American Airlines.(AA 1509)
Daily 07:00 Boston Logan (BOS) B 09:05 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Boeing 737-800 (738) 3:05 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 1509)
Fri 07:51 Boston Logan (BOS) B 09:45 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Boeing 737-800 (738) 2:54 Operates only on 2025-07-04
Codeshare flight, operated by American Airlines.(AA 1239)
Daily 08:15 Boston Logan (BOS) B 10:14 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Boeing 737-800 (738) 2:59 Effective 2025-07-05 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 1239)
Daily 08:15 Boston Logan (BOS) B 10:14 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Boeing 737-800 (738) 2:59 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 1239)
Mon-Sat 08:21 Boston Logan (BOS) B 10:16 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Boeing 737-800 (738) 2:55 Effective 2025-06-12 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 1239)
Sun 08:21 Boston Logan (BOS) B 10:16 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Airbus A319 (319) 2:55 Effective 2025-06-15 through 2025-06-29
Codeshare flight, operated by American Airlines.(AA 1239)
Daily 09:45 Boston Logan (BOS) B 11:45 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Boeing 737-800 (738) 3:00 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 1239)
Sun 10:55 Philadelphia (PHL) F 12:19 Providence (PVD)
AS 4570 Non-stop Embraer ERJ 145 (ER4) 1:24 Operates only on 2025-05-25
Codeshare flight, operated by American Airlines.(AA 5725)
Tue,Sat 11:10 Philadelphia (PHL) F 12:39 Providence (PVD)
AS 4570 Non-stop Embraer ERJ 145 (ER4) 1:29 Effective 2025-05-06 through 2025-05-10
Codeshare flight, operated by American Airlines.(AA 5725)
Tue,Thu,Sat 11:10 Philadelphia (PHL) F 12:39 Providence (PVD)
AS 4570 Non-stop Embraer ERJ 145 (ER4) 1:29 Effective 2025-05-20 through 2025-05-27
Codeshare flight, operated by American Airlines.(AA 5725)
Tue 11:10 Philadelphia (PHL) F 12:39 Providence (PVD)
AS 4570 Non-stop Embraer ERJ 145 (ER4) 1:29 Operates only on 2025-06-03
Codeshare flight, operated by American Airlines.(AA 5725)
Thu 11:48 Norfolk (ORF) 14:08 Dallas Fort Worth (DFW)
AS 4570 Non-stop Embraer EMB 175 (E75) 3:20 Operates only on 2025-06-05
Codeshare flight, operated by American Airlines.(AA 3347)
Mon-Wed 12:41 Dayton (DAY) 14:12 Ronald Reagan Washington (DCA) 2
AS 4570 Non-stop Canadair CRJ 700 (CR7) 1:31 Effective 2025-06-09 through 2025-06-11
Codeshare flight, operated by American Airlines.(AA 5156)
Daily 14:16 Fayetteville/Springdale (XNA) 16:10 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:54 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3452)
Daily 14:21 Little Rock (LIT) 16:22 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Embraer EMB 175 (E75) 2:01 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 4750)
Sun 14:27 Dallas Fort Worth (DFW) 15:08 El Paso (ELP)
AS 4570 Non-stop Embraer EMB 175 (E75) 1:41 Operates only on 2025-06-08
Codeshare flight, operated by American Airlines.(AA 3520)
Fri 14:43 Traverse City (TVC) 15:02 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Canadair CRJ 700 (CR7) 1:19 Operates only on 2025-06-06
Codeshare flight, operated by American Airlines.(AA 6478)
Wed 15:30 Phoenix Sky Harbor (PHX) 4 18:13 Denver (DEN)
AS 4570 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2025-05-07 through 2025-05-14
Codeshare flight, operated by American Airlines.(AA 4081)
Sat 15:30 Phoenix Sky Harbor (PHX) 4 18:13 Denver (DEN)
AS 4570 Non-stop Embraer EMB 175 (E75) 1:43 Operates only on 2025-05-17
Codeshare flight, operated by American Airlines.(AA 4081)
Sat 15:30 Phoenix Sky Harbor (PHX) 4 18:13 Denver (DEN)
AS 4570 Non-stop Embraer EMB 175 (E75) 1:43 Operates only on 2025-05-31
Codeshare flight, operated by American Airlines.(AA 4081)
Daily 16:07 Fayetteville/Springdale (XNA) 18:00 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:53 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 3452)
Daily 16:08 Fayetteville/Springdale (XNA) 18:00 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Embraer EMB 175 (E75) 1:52 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 3452)
Daily 16:10 Fayetteville/Springdale (XNA) 18:00 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:50 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 3452)
Daily 18:35 Philadelphia (PHL) F 20:02 Pittsburgh (PIT)
AS 4570 Non-stop Embraer ERJ 145 (ER4) 1:27 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 5725)
Wed 18:46 Denver (DEN) 19:49 Phoenix Sky Harbor (PHX) 4
AS 4570 Non-stop Embraer EMB 175 (E75) 2:03 Effective 2025-05-07 through 2025-05-14
Codeshare flight, operated by American Airlines.(AA 4081)
Sat 18:46 Denver (DEN) 19:49 Phoenix Sky Harbor (PHX) 4
AS 4570 Non-stop Embraer EMB 175 (E75) 2:03 Operates only on 2025-05-17
Codeshare flight, operated by American Airlines.(AA 4081)
Sat 18:46 Denver (DEN) 19:49 Phoenix Sky Harbor (PHX) 4
AS 4570 Non-stop Embraer EMB 175 (E75) 2:03 Operates only on 2025-05-31
Codeshare flight, operated by American Airlines.(AA 4081)
Mon,Wed-Fri,Sun 19:25 Chicago O'Hare (ORD) 3 22:07 Knoxville (TYS)
AS 4570 Non-stop Embraer ERJ 145 (ER4) 1:42 Effective 2025-05-15 through 2025-05-21
Codeshare flight, operated by American Airlines.(AA 5725)
Mon,Wed-Fri 19:25 Chicago O'Hare (ORD) 3 22:07 Knoxville (TYS)
AS 4570 Non-stop Embraer ERJ 145 (ER4) 1:42 Effective 2025-05-23 through 2025-05-30
Codeshare flight, operated by American Airlines.(AA 5725)
Mon,Wed,Sun 19:25 Chicago O'Hare (ORD) 3 22:07 Knoxville (TYS)
AS 4570 Non-stop Embraer ERJ 145 (ER4) 1:42 Effective 2025-06-01 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 5725)
Daily 19:27 Traverse City (TVC) 19:50 Chicago O'Hare (ORD) 3
AS 4570 Non-stop Canadair CRJ 700 (CR7) 1:23 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 4917)
Tue 22:30 Chicago O'Hare (ORD) 3 23:51 Saint Louis (STL) 1
AS 4570 Non-stop Airbus A319 (319) 1:21 Operates only on 2025-05-13
Codeshare flight, operated by American Airlines.(AA 3239)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4570: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4570
05:05
Fayetteville/Springdale (XNA)

06:52
Chicago O'Hare (ORD) 3
Operates only on 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1323)
Duration: 1:47, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4570
06:35
Boston Logan (BOS) B

08:31
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-05-12
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1509)
Duration: 2:56, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4570
07:00
Boston Logan (BOS) B

09:05
Chicago O'Hare (ORD) 3
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1509)
Duration: 3:05, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4570
07:51
Boston Logan (BOS) B

09:45
Chicago O'Hare (ORD) 3
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1239)
Duration: 2:54, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4570
08:15
Boston Logan (BOS) B

10:14
Chicago O'Hare (ORD) 3
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1239)
Duration: 2:59, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4570
08:15
Boston Logan (BOS) B

10:14
Chicago O'Hare (ORD) 3
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1239)
Duration: 2:59, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4570
08:21
Boston Logan (BOS) B

10:16
Chicago O'Hare (ORD) 3
Effective 2025-06-12 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1239)
Duration: 2:55, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4570
08:21
Boston Logan (BOS) B

10:16
Chicago O'Hare (ORD) 3
Effective 2025-06-15 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1239)
Duration: 2:55, non-stop
Airbus A319 (319)
Alaska Airlines AS4570
09:45
Boston Logan (BOS) B

11:45
Chicago O'Hare (ORD) 3
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1239)
Duration: 3:00, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4570
10:55
Philadelphia (PHL) F

12:19
Providence (PVD)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5725)
Duration: 1:24, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4570
11:10
Philadelphia (PHL) F

12:39
Providence (PVD)
Effective 2025-05-06 through 2025-05-10
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 AS4570
11:10
Philadelphia (PHL) F

12:39
Providence (PVD)
Effective 2025-05-20 through 2025-05-27
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 AS4570
11:10
Philadelphia (PHL) F

12:39
Providence (PVD)
Operates only on 2025-06-03
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 AS4570
11:48
Norfolk (ORF)

14:08
Dallas Fort Worth (DFW)
Operates only on 2025-06-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3347)
Duration: 3:20, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4570
12:41
Dayton (DAY)

14:12
Ronald Reagan Washington (DCA) 2
Effective 2025-06-09 through 2025-06-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5156)
Duration: 1:31, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4570
14:16
Fayetteville/Springdale (XNA)

16:10
Chicago O'Hare (ORD) 3
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3452)
Duration: 1:54, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4570
14:21
Little Rock (LIT)

16:22
Chicago O'Hare (ORD) 3
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4750)
Duration: 2:01, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4570
14:27
Dallas Fort Worth (DFW)

15:08
El Paso (ELP)
Operates only on 2025-06-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3520)
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4570
14:43
Traverse City (TVC)

15:02
Chicago O'Hare (ORD) 3
Operates only on 2025-06-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6478)
Duration: 1:19, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4570
15:30
Phoenix Sky Harbor (PHX) 4

18:13
Denver (DEN)
Effective 2025-05-07 through 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4081)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4570
15:30
Phoenix Sky Harbor (PHX) 4

18:13
Denver (DEN)
Operates only on 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4081)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4570
15:30
Phoenix Sky Harbor (PHX) 4

18:13
Denver (DEN)
Operates only on 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4081)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4570
16:07
Fayetteville/Springdale (XNA)

18:00
Chicago O'Hare (ORD) 3
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3452)
Duration: 1:53, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4570
16:08
Fayetteville/Springdale (XNA)

18:00
Chicago O'Hare (ORD) 3
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3452)
Duration: 1:52, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4570
16:10
Fayetteville/Springdale (XNA)

18:00
Chicago O'Hare (ORD) 3
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3452)
Duration: 1:50, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4570
18:35
Philadelphia (PHL) F

20:02
Pittsburgh (PIT)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5725)
Duration: 1:27, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4570
18:46
Denver (DEN)

19:49
Phoenix Sky Harbor (PHX) 4
Effective 2025-05-07 through 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4081)
Duration: 2:03, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4570
18:46
Denver (DEN)

19:49
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4081)
Duration: 2:03, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4570
18:46
Denver (DEN)

19:49
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4081)
Duration: 2:03, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4570
19:25
Chicago O'Hare (ORD) 3

22:07
Knoxville (TYS)
Effective 2025-05-15 through 2025-05-21
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5725)
Duration: 1:42, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4570
19:25
Chicago O'Hare (ORD) 3

22:07
Knoxville (TYS)
Effective 2025-05-23 through 2025-05-30
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5725)
Duration: 1:42, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4570
19:25
Chicago O'Hare (ORD) 3

22:07
Knoxville (TYS)
Effective 2025-06-01 through 2025-06-04
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5725)
Duration: 1:42, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4570
19:27
Traverse City (TVC)

19:50
Chicago O'Hare (ORD) 3
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4917)
Duration: 1:23, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4570
22:30
Chicago O'Hare (ORD) 3

23:51
Saint Louis (STL) 1
Operates only on 2025-05-13
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3239)
Duration: 1:21, non-stop
Airbus A319 (319)
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This flight number is listed as serving the following routes:
  • Boston Logan (BOS) - Chicago O'Hare (ORD)
  • Chicago O'Hare (ORD) - Knoxville (TYS)
  • Chicago O'Hare (ORD) - Saint Louis (STL)
  • Dallas Fort Worth (DFW) - El Paso (ELP)
  • Dayton (DAY) - Ronald Reagan Washington (DCA)
  • Denver (DEN) - Phoenix Sky Harbor (PHX)
  • Fayetteville/Springdale (XNA) - Chicago O'Hare (ORD)
  • Little Rock (LIT) - Chicago O'Hare (ORD)
  • Norfolk (ORF) - Dallas Fort Worth (DFW)
  • Philadelphia (PHL) - Pittsburgh (PIT)
  • Philadelphia (PHL) - Providence (PVD)
  • Traverse City (TVC) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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