Alaska Airlines flight AS 4459: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri,Sun 10:08 Phoenix Sky Harbor (PHX) 4 13:53 Houston George Bush (IAH) A
AS 4459 Non-stop Canadair CRJ 900 (CR9) 2:45 Effective 2026-02-15 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 4984)
Daily 12:15 Phoenix Sky Harbor (PHX) 4 14:29 El Paso (ELP)
AS 4459 Non-stop Embraer EMB 175 (E75) 1:14 Effective 2026-04-07 through 2026-04-21
Codeshare flight, operated by American Airlines.(AA 3564)
Mon-Fri,Sun 13:54 Chicago O'Hare (ORD) 3 16:35 Buffalo (BUF)
AS 4459 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:41 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3691)
Sat 13:59 Chicago O'Hare (ORD) 3 16:40 Buffalo (BUF)
AS 4459 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:41 Effective 2026-01-24 through 2026-02-07
Codeshare flight, operated by American Airlines.(AA 3691)
Daily 14:30 Chicago O'Hare (ORD) 3 17:50 Philadelphia (PHL)
AS 4459 Non-stop Airbus A320 (320) 2:20 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 2840)
Mon-Fri,Sun 14:48 Chicago O'Hare (ORD) 3 17:59 New York LaGuardia (LGA) B
AS 4459 Non-stop Airbus A319 (319) 2:11 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3184)
Daily 14:50 Chicago O'Hare (ORD) 3 17:55 Philadelphia (PHL)
AS 4459 Non-stop Airbus A320 (320) 2:05 Effective 2026-06-10 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 2840)
Daily 14:50 Chicago O'Hare (ORD) 3 18:00 Philadelphia (PHL)
AS 4459 Non-stop Airbus A320 (320) 2:10 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 2840)
Daily 15:16 Chicago O'Hare (ORD) 3 17:59 Buffalo (BUF)
AS 4459 Non-stop Embraer EMB 175 (E75) 1:43 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4801)
Daily 15:43 El Paso (ELP) 16:10 Phoenix Sky Harbor (PHX) 4
AS 4459 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2026-04-07 through 2026-04-21
Codeshare flight, operated by American Airlines.(AA 3564)
Mon,Tue,Thu-Sun 18:29 Buffalo (BUF) 19:50 Chicago O'Hare (ORD) 3
AS 4459 Non-stop Embraer EMB 175 (E75) 2:21 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4801)
Mon-Fri,Sun 18:59 New York LaGuardia (LGA) B 20:50 Chicago O'Hare (ORD) 3
AS 4459 Non-stop Airbus A319 (319) 2:51 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3184)
Daily 21:15 Philadelphia (PHL) 22:49 Chicago O'Hare (ORD) 3
AS 4459 Non-stop Airbus A320 (320) 2:34 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 2840)
Daily 21:15 Philadelphia (PHL) 22:48 Chicago O'Hare (ORD) 3
AS 4459 Non-stop Airbus A320 (320) 2:33 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 2840)
This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4459: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4459
10:08
Phoenix Sky Harbor (PHX) 4

13:53
Houston George Bush (IAH) A
Effective 2026-02-15 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4984)
Duration: 2:45, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4459
12:15
Phoenix Sky Harbor (PHX) 4

14:29
El Paso (ELP)
Effective 2026-04-07 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3564)
Duration: 1:14, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4459
13:54
Chicago O'Hare (ORD) 3

16:35
Buffalo (BUF)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3691)
Duration: 1:41, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4459
13:59
Chicago O'Hare (ORD) 3

16:40
Buffalo (BUF)
Effective 2026-01-24 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3691)
Duration: 1:41, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4459
14:30
Chicago O'Hare (ORD) 3

17:50
Philadelphia (PHL)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2840)
Duration: 2:20, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4459
14:48
Chicago O'Hare (ORD) 3

17:59
New York LaGuardia (LGA) B
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3184)
Duration: 2:11, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4459
14:50
Chicago O'Hare (ORD) 3

17:55
Philadelphia (PHL)
Effective 2026-06-10 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2840)
Duration: 2:05, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4459
14:50
Chicago O'Hare (ORD) 3

18:00
Philadelphia (PHL)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2840)
Duration: 2:10, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4459
15:16
Chicago O'Hare (ORD) 3

17:59
Buffalo (BUF)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4801)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4459
15:43
El Paso (ELP)

16:10
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-07 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3564)
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4459
18:29
Buffalo (BUF)

19:50
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4801)
Duration: 2:21, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4459
18:59
New York LaGuardia (LGA) B

20:50
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3184)
Duration: 2:51, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4459
21:15
Philadelphia (PHL)

22:49
Chicago O'Hare (ORD) 3
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2840)
Duration: 2:34, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4459
21:15
Philadelphia (PHL)

22:48
Chicago O'Hare (ORD) 3
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2840)
Duration: 2:33, non-stop
Airbus A320 (320)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Buffalo (BUF)
  • Chicago O'Hare (ORD) - New York LaGuardia (LGA)
  • Chicago O'Hare (ORD) - Philadelphia (PHL)
  • El Paso (ELP) - Phoenix Sky Harbor (PHX)
  • Phoenix Sky Harbor (PHX) - Houston George Bush (IAH)
All Alaska Airlines flights
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