Alaska Airlines flight AS 4573: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 05:10 Buffalo (BUF) 06:05 Chicago O'Hare (ORD) 3
AS 4573 Non-stop Embraer EMB 175 (E75) 1:55 Operates only on 2025-05-10
Codeshare flight, operated by American Airlines.(AA 4377)
Sun 05:25 Pittsburgh (PIT) 06:16 Chicago O'Hare (ORD) 3
AS 4573 Non-stop Embraer EMB 175 (E75) 1:51 Operates only on 2025-05-04
Codeshare flight, operated by American Airlines.(AA 4377)
Daily 07:09 Chicago O'Hare (ORD) 3 10:22 Newark Liberty, New York (EWR) A
AS 4573 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:13 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 3980)
Daily 08:01 Chicago O'Hare (ORD) 3 11:13 Hartford (BDL)
AS 4573 Non-stop Embraer EMB 175 (E75) 2:12 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 4423)
Tue 08:20 Philadelphia (PHL) 10:21 Charleston (CHS)
AS 4573 Non-stop Airbus A319 (319) 2:01 Operates only on 2026-01-06
Codeshare flight, operated by American Airlines.(AA 2365)
Thu,Fri 11:57 Rochester (ROC) 13:14 Ronald Reagan Washington (DCA) 2
AS 4573 Non-stop Canadair CRJ 700 (CR7) 1:17 Effective 2025-06-05 through 2025-06-06
Codeshare flight, operated by American Airlines.(AA 5315)
Mon-Fri 11:57 Rochester (ROC) 13:14 Ronald Reagan Washington (DCA) 2
AS 4573 Non-stop Canadair CRJ 700 (CR7) 1:17 Effective 2025-06-19 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 5315)
Mon-Fri,Sun 11:58 Rochester (ROC) 13:14 Ronald Reagan Washington (DCA) 2
AS 4573 Non-stop Canadair CRJ 700 (CR7) 1:16 Effective 2025-07-06 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 5315)
Sat 12:56 Charleston (CHS) 14:49 Philadelphia (PHL) F
AS 4573 Non-stop Canadair CRJ 900 (CR9) 1:53 Effective 2025-06-21 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 5092)
Sat 12:59 Charleston (CHS) 14:51 Philadelphia (PHL) F
AS 4573 Non-stop Canadair CRJ 900 (CR9) 1:52 Effective 2025-07-05 through 2025-08-02
Codeshare flight, operated by American Airlines.(AA 5092)
Daily 13:10 Chicago O'Hare (ORD) 3 15:53 Knoxville (TYS)
AS 4573 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 4342)
Mon-Fri,Sun 13:55 Little Rock (LIT) 15:57 Chicago O'Hare (ORD) 3
AS 4573 Non-stop Embraer EMB 175 (E75) 2:02 Effective 2025-05-05 through 2025-05-16
Codeshare flight, operated by American Airlines.(AA 4368)
Daily 13:55 Little Rock (LIT) 15:57 Chicago O'Hare (ORD) 3
AS 4573 Non-stop Embraer EMB 175 (E75) 2:02 Effective 2025-05-17 through 2025-05-24
Codeshare flight, operated by American Airlines.(AA 4368)
Daily 13:55 Little Rock (LIT) 15:57 Chicago O'Hare (ORD) 3
AS 4573 Non-stop Embraer EMB 175 (E75) 2:02 Effective 2025-05-26 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 4368)
Daily 14:29 Newark Liberty, New York (EWR) A 16:09 Chicago O'Hare (ORD) 3
AS 4573 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:40 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 3980)
Wed-Fri 14:33 Portland (PWM) 16:29 Ronald Reagan Washington (DCA) 2
AS 4573 Non-stop Embraer EMB 175 (E75) 1:56 Valid until 2025-05-02
Codeshare flight, operated by American Airlines.(AA 4342)
Daily 14:50 Chicago O'Hare (ORD) 3 15:48 Madison (MSN)
AS 4573 Non-stop Canadair CRJ 700 (CR7) 0:58 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 6356)
Thu 14:50 Chicago O'Hare (ORD) 3 15:48 Madison (MSN)
AS 4573 Non-stop Canadair CRJ 700 (CR7) 0:58 Operates only on 2025-11-20
Codeshare flight, operated by American Airlines.(AA 6356)
Daily 14:50 Chicago O'Hare (ORD) 3 17:17 Pittsburgh (PIT)
AS 4573 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2025-11-21 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 3707)
Daily 14:50 Chicago O'Hare (ORD) 3 17:20 Pittsburgh (PIT)
AS 4573 Non-stop Embraer EMB 175 (E75) 1:30 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4675)
Daily 17:25 Miami (MIA) 20:37 Phoenix Sky Harbor (PHX) 4
AS 4573 Non-stop Boeing 737 MAX 8 (7M8) 5:12 Effective 2025-11-02 through 2025-11-19
Codeshare flight, operated by American Airlines.(AA 2365)
Daily 19:30 Los Angeles (LAX) 22:02 Tucson (TUS)
AS 4573 Non-stop Embraer EMB 175 (E75) 1:32 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 6315)
Daily 19:30 Los Angeles (LAX) 21:58 Tucson (TUS)
AS 4573 Non-stop Embraer EMB 175 (E75) 1:28 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 6315)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4573: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4573
05:10
Buffalo (BUF)

06:05
Chicago O'Hare (ORD) 3
Operates only on 2025-05-10
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 AS4573
05:25
Pittsburgh (PIT)

06:16
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 4377)
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4573
07:09
Chicago O'Hare (ORD) 3

10:22
Newark Liberty, New York (EWR) A
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3980)
Duration: 2:13, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4573
08:01
Chicago O'Hare (ORD) 3

11:13
Hartford (BDL)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4423)
Duration: 2:12, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4573
08:20
Philadelphia (PHL)

10:21
Charleston (CHS)
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2365)
Duration: 2:01, non-stop
Airbus A319 (319)
Alaska Airlines AS4573
11:57
Rochester (ROC)

13:14
Ronald Reagan Washington (DCA) 2
Effective 2025-06-05 through 2025-06-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5315)
Duration: 1:17, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4573
11:57
Rochester (ROC)

13:14
Ronald Reagan Washington (DCA) 2
Effective 2025-06-19 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5315)
Duration: 1:17, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4573
11:58
Rochester (ROC)

13:14
Ronald Reagan Washington (DCA) 2
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5315)
Duration: 1:16, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4573
12:56
Charleston (CHS)

14:49
Philadelphia (PHL) F
Effective 2025-06-21 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 5092)
Duration: 1:53, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4573
12:59
Charleston (CHS)

14:51
Philadelphia (PHL) F
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 5092)
Duration: 1:52, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4573
13:10
Chicago O'Hare (ORD) 3

15:53
Knoxville (TYS)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4342)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4573
13:55
Little Rock (LIT)

15:57
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-05-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4368)
Duration: 2:02, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4573
13:55
Little Rock (LIT)

15:57
Chicago O'Hare (ORD) 3
Effective 2025-05-17 through 2025-05-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4368)
Duration: 2:02, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4573
13:55
Little Rock (LIT)

15:57
Chicago O'Hare (ORD) 3
Effective 2025-05-26 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4368)
Duration: 2:02, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4573
14:29
Newark Liberty, New York (EWR) A

16:09
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 3980)
Duration: 2:40, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4573
14:33
Portland (PWM)

16:29
Ronald Reagan Washington (DCA) 2
Valid until 2025-05-02
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4342)
Duration: 1:56, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4573
14:50
Chicago O'Hare (ORD) 3

15:48
Madison (MSN)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6356)
Duration: 0:58, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4573
14:50
Chicago O'Hare (ORD) 3

15:48
Madison (MSN)
Operates only on 2025-11-20
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6356)
Duration: 0:58, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4573
14:50
Chicago O'Hare (ORD) 3

17:17
Pittsburgh (PIT)
Effective 2025-11-21 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3707)
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4573
14:50
Chicago O'Hare (ORD) 3

17:20
Pittsburgh (PIT)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4675)
Duration: 1:30, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4573
17:25
Miami (MIA)

20:37
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-02 through 2025-11-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2365)
Duration: 5:12, non-stop
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS4573
19:30
Los Angeles (LAX)

22:02
Tucson (TUS)
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6315)
Duration: 1:32, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4573
19:30
Los Angeles (LAX)

21:58
Tucson (TUS)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6315)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Buffalo (BUF) - Chicago O'Hare (ORD)
  • Charleston (CHS) - Philadelphia (PHL)
  • Chicago O'Hare (ORD) - Hartford (BDL)
  • Chicago O'Hare (ORD) - Knoxville (TYS)
  • Chicago O'Hare (ORD) - Madison (MSN)
  • Chicago O'Hare (ORD) - Pittsburgh (PIT)
  • Little Rock (LIT) - Chicago O'Hare (ORD)
  • Los Angeles (LAX) - Tucson (TUS)
  • Miami (MIA) - Phoenix Sky Harbor (PHX)
  • Newark Liberty, New York (EWR) - Chicago O'Hare (ORD)
  • Portland (PWM) - Ronald Reagan Washington (DCA)
  • Rochester (ROC) - Ronald Reagan Washington (DCA)
All Alaska Airlines flights
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