Alaska Airlines flight AS 4551: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 06:20 Syracuse (SYR) 07:47 Chicago O'Hare (ORD) 3
AS 4551 Non-stop Embraer EMB 175 (E75) 2:27 Effective 2026-03-08 through 2026-03-14
Codeshare flight, operated by American Airlines.(AA 3398)
Sat 06:20 Syracuse (SYR) 07:47 Chicago O'Hare (ORD) 3
AS 4551 Non-stop Embraer EMB 175 (E75) 2:27 Effective 2026-03-21 through 2026-03-28
Codeshare flight, operated by American Airlines.(AA 3398)
Sat 06:50 Syracuse (SYR) 08:25 Chicago O'Hare (ORD) 3
AS 4551 Non-stop Embraer EMB 175 (E75) 2:35 Operates only on 2026-03-07
Codeshare flight, operated by American Airlines.(AA 3405)
Mon-Fri 07:00 Syracuse (SYR) 08:42 Chicago O'Hare (ORD) 3
AS 4551 Non-stop Embraer EMB 175 (E75) 2:42 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3878)
Sat,Sun 07:00 Syracuse (SYR) 08:42 Chicago O'Hare (ORD) 3
AS 4551 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:42 Effective 2026-01-10 through 2026-01-17
Codeshare flight, operated by American Airlines.(AA 3878)
Sat,Sun 07:00 Syracuse (SYR) 08:42 Chicago O'Hare (ORD) 3
AS 4551 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:42 Effective 2026-01-24 through 2026-02-08
Codeshare flight, operated by American Airlines.(AA 3878)
Mon,Tue,Thu-Sun 07:25 Syracuse (SYR) 08:54 Chicago O'Hare (ORD) 3
AS 4551 Non-stop Embraer EMB 175 (E75) 2:29 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4711)
Sun 11:00 Syracuse (SYR) 12:42 Chicago O'Hare (ORD) 3
AS 4551 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:42 Operates only on 2026-01-18
Codeshare flight, operated by American Airlines.(AA 3878)
Thu,Fri 11:34 Syracuse (SYR) 13:01 Chicago O'Hare (ORD) 3
AS 4551 Non-stop Embraer EMB 175 (E75) 2:27 Effective 2026-03-05 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 3405)
Mon,Wed-Fri,Sun 14:07 Phoenix Sky Harbor (PHX) 4 17:49 Houston George Bush (IAH) A
AS 4551 Non-stop Canadair CRJ 700 (CR7) 2:42 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by American Airlines.(AA 4885)
Daily 14:53 Abilene (ABI) 15:55 Dallas Fort Worth (DFW)
AS 4551 Non-stop Embraer EMB 175 (E75) 1:02 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 3422)
Mon,Wed-Fri,Sun 18:20 Houston George Bush (IAH) A 20:49 Phoenix Sky Harbor (PHX) 4
AS 4551 Non-stop Canadair CRJ 700 (CR7) 3:29 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by American Airlines.(AA 4885)
Mon-Fri,Sun 19:21 Phoenix Sky Harbor (PHX) 4 23:55 Houston George Bush (IAH) A
AS 4551 Non-stop Airbus A319 (319) 2:34 Effective 2026-03-15 through 2026-04-03
Codeshare flight, operated by American Airlines.(AA 2757)
Mon,Sat,Sun 19:21 Phoenix Sky Harbor (PHX) 4 23:55 Houston George Bush (IAH) A
AS 4551 Non-stop Airbus A319 (319) 2:34 Effective 2026-04-04 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 2757)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4551: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4551
06:20
Syracuse (SYR)

07:47
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3398)
Duration: 2:27, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4551
06:20
Syracuse (SYR)

07:47
Chicago O'Hare (ORD) 3
Effective 2026-03-21 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3398)
Duration: 2:27, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4551
06:50
Syracuse (SYR)

08:25
Chicago O'Hare (ORD) 3
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3405)
Duration: 2:35, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4551
07:00
Syracuse (SYR)

08:42
Chicago O'Hare (ORD) 3
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3878)
Duration: 2:42, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4551
07:00
Syracuse (SYR)

08:42
Chicago O'Hare (ORD) 3
Effective 2026-01-10 through 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3878)
Duration: 2:42, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4551
07:00
Syracuse (SYR)

08:42
Chicago O'Hare (ORD) 3
Effective 2026-01-24 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3878)
Duration: 2:42, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4551
07:25
Syracuse (SYR)

08:54
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4711)
Duration: 2:29, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4551
11:00
Syracuse (SYR)

12:42
Chicago O'Hare (ORD) 3
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3878)
Duration: 2:42, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4551
11:34
Syracuse (SYR)

13:01
Chicago O'Hare (ORD) 3
Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3405)
Duration: 2:27, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4551
14:07
Phoenix Sky Harbor (PHX) 4

17:49
Houston George Bush (IAH) A
Effective 2026-02-12 through 2026-03-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4885)
Duration: 2:42, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4551
14:53
Abilene (ABI)

15:55
Dallas Fort Worth (DFW)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3422)
Duration: 1:02, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4551
18:20
Houston George Bush (IAH) A

20:49
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-12 through 2026-03-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4885)
Duration: 3:29, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4551
19:21
Phoenix Sky Harbor (PHX) 4

23:55
Houston George Bush (IAH) A
Effective 2026-03-15 through 2026-04-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2757)
Duration: 2:34, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4551
19:21
Phoenix Sky Harbor (PHX) 4

23:55
Houston George Bush (IAH) A
Effective 2026-04-04 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2757)
Duration: 2:34, non-stop
Airbus A319 (319)
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This flight number is listed as serving the following routes:
  • Abilene (ABI) - Dallas Fort Worth (DFW)
  • Phoenix Sky Harbor (PHX) - Houston George Bush (IAH)
  • Syracuse (SYR) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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