Alaska Airlines flight AS 4178: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 05:07 Pittsburgh (PIT) 07:09 Dallas Fort Worth (DFW)
AS 4178 Non-stop Boeing 737-800 (738) 3:02 Effective 2025-07-05 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 3329)
Sat 05:09 Pittsburgh (PIT) 07:10 Dallas Fort Worth (DFW)
AS 4178 Non-stop Boeing 737-800 (738) 3:01 Effective 2025-06-07 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 3329)
Mon-Fri,Sun 05:10 Pittsburgh (PIT) 07:11 Dallas Fort Worth (DFW)
AS 4178 Non-stop Boeing 737-800 (738) 3:01 Effective 2025-06-06 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 3329)
Thu 05:35 Cincinnati (CVG) 07:06 Dallas Fort Worth (DFW)
AS 4178 Non-stop Boeing 737-800 (738) 2:31 Operates only on 2025-06-05
Codeshare flight, operated by American Airlines.(AA 2985)
Daily 05:41 Des Moines (DSM) 06:50 Phoenix Sky Harbor (PHX) 4
AS 4178 Non-stop Embraer EMB 175 (E75) 3:09 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 3493)
Mon-Fri,Sun 08:00 Chicago O'Hare (ORD) 3 10:06 Fort Wayne (FWA)
AS 4178 Non-stop Canadair CRJ 700 (CR7) 1:06 Effective 2025-11-02 through 2025-11-19
Codeshare flight, operated by American Airlines.(AA 4905)
Daily 08:15 Philadelphia (PHL) F 10:17 Knoxville (TYS)
AS 4178 Non-stop Canadair CRJ 900 (CR9) 2:02 Effective 2025-10-06 through 2025-10-24
Codeshare flight, operated by American Airlines.(AA 5639)
Daily 09:56 Atlanta (ATL) N 11:39 Dallas Fort Worth (DFW)
AS 4178 Non-stop Boeing 737-800 (738) 2:43 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 1956)
Daily 10:00 Atlanta (ATL) N 11:39 Dallas Fort Worth (DFW)
AS 4178 Non-stop Airbus A321 (321) 2:39 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 1956)
Mon,Tue,Sat,Sun 10:05 Atlanta (ATL) N 11:39 Dallas Fort Worth (DFW)
AS 4178 Non-stop Airbus A321 (321) 2:34 Effective 2025-11-29 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 1956)
Daily 10:06 Atlanta (ATL) N 11:39 Dallas Fort Worth (DFW)
AS 4178 Non-stop Airbus A321 (321) 2:33 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 1956)
Daily 10:08 Atlanta (ATL) N 11:39 Dallas Fort Worth (DFW)
AS 4178 Non-stop Airbus A321 (321) 2:31 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 1956)
Tue 10:30 Philadelphia (PHL) F 12:45 Grand Rapids (GRR)
AS 4178 Non-stop Embraer ERJ 145 (ER4) 2:15 Operates only on 2026-01-06
Codeshare flight, operated by American Airlines.(AA 5683)
Daily 10:40 Phoenix Sky Harbor (PHX) 4 13:19 Salt Lake City (SLC)
AS 4178 Non-stop Airbus A319 (319) 1:39 Effective 2025-05-05 through 2025-05-24
Codeshare flight, operated by American Airlines.(AA 2138)
Daily 10:40 Phoenix Sky Harbor (PHX) 4 13:19 Salt Lake City (SLC)
AS 4178 Non-stop Airbus A319 (319) 1:39 Effective 2025-05-26 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 2138)
Wed-Fri 10:52 Newark Liberty, New York (EWR) A 12:32 Chicago O'Hare (ORD) 3
AS 4178 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:40 Effective 2025-08-06 through 2025-08-08
Codeshare flight, operated by American Airlines.(AA 4333)
Tue,Wed 10:52 Newark Liberty, New York (EWR) A 12:32 Chicago O'Hare (ORD) 3
AS 4178 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:40 Effective 2025-08-20 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 4333)
Thu,Fri 11:41 Rochester (ROC) 12:40 Chicago O'Hare (ORD) 3
AS 4178 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Effective 2025-11-20 through 2025-11-21
Codeshare flight, operated by American Airlines.(AA 3346)
Mon-Fri,Sun 13:10 Chicago O'Hare (ORD) 3 15:30 Cleveland Hopkins (CLE)
AS 4178 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:20 Effective 2025-11-23 through 2025-11-28
Codeshare flight, operated by American Airlines.(AA 3566)
Sun 13:32 Charleston (CHS) 15:05 Chicago O'Hare (ORD) 3
AS 4178 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:33 Operates only on 2025-05-25
Codeshare flight, operated by American Airlines.(AA 3931)
Daily 13:47 Miami (MIA) 15:49 Phoenix Sky Harbor (PHX) 4
AS 4178 Non-stop Airbus A321neo (32Q) 5:02 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 1454)
Daily 14:07 Salt Lake City (SLC) 14:49 Phoenix Sky Harbor (PHX) 4
AS 4178 Non-stop Airbus A319 (319) 1:42 Effective 2025-05-05 through 2025-05-24
Codeshare flight, operated by American Airlines.(AA 2138)
Daily 14:07 Salt Lake City (SLC) 14:49 Phoenix Sky Harbor (PHX) 4
AS 4178 Non-stop Airbus A319 (319) 1:42 Effective 2025-05-26 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 2138)
Sat 14:50 Chicago O'Hare (ORD) 3 17:49 Richmond (RIC)
AS 4178 Non-stop Canadair CRJ 700 (CR7) 1:59 Effective 2025-11-08 through 2025-11-22
Codeshare flight, operated by American Airlines.(AA 4896)
Daily 15:10 Fort Lauderdale (FLL) 3 17:55 Philadelphia (PHL)
AS 4178 Non-stop Airbus A321 (321) 2:45 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2390)
Daily 15:15 Nashville (BNA) 17:09 Chicago O'Hare (ORD) 3
AS 4178 Non-stop Canadair CRJ 700 (CR7) 1:54 Effective 2025-08-09 through 2025-08-19
Codeshare flight, operated by American Airlines.(AA 6285)
Mon,Thu-Sun 15:15 Nashville (BNA) 17:09 Chicago O'Hare (ORD) 3
AS 4178 Non-stop Canadair CRJ 700 (CR7) 1:54 Effective 2025-08-21 through 2025-09-01
Codeshare flight, operated by American Airlines.(AA 6285)
Mon-Fri,Sun 17:23 Cleveland Hopkins (CLE) 18:00 Chicago O'Hare (ORD) 3
AS 4178 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:37 Effective 2025-11-23 through 2025-11-28
Codeshare flight, operated by American Airlines.(AA 3566)
Sat 18:24 Richmond (RIC) 19:50 Chicago O'Hare (ORD) 3
AS 4178 Non-stop Canadair CRJ 700 (CR7) 2:26 Operates only on 2025-10-25
Codeshare flight, operated by American Airlines.(AA 4905)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4178: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4178
05:07
Pittsburgh (PIT)

07:09
Dallas Fort Worth (DFW)
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3329)
Duration: 3:02, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4178
05:09
Pittsburgh (PIT)

07:10
Dallas Fort Worth (DFW)
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3329)
Duration: 3:01, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4178
05:10
Pittsburgh (PIT)

07:11
Dallas Fort Worth (DFW)
Effective 2025-06-06 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3329)
Duration: 3:01, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4178
05:35
Cincinnati (CVG)

07:06
Dallas Fort Worth (DFW)
Operates only on 2025-06-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2985)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4178
05:41
Des Moines (DSM)

06:50
Phoenix Sky Harbor (PHX) 4
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3493)
Duration: 3:09, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4178
08:00
Chicago O'Hare (ORD) 3

10:06
Fort Wayne (FWA)
Effective 2025-11-02 through 2025-11-19
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4905)
Duration: 1:06, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4178
08:15
Philadelphia (PHL) F

10:17
Knoxville (TYS)
Effective 2025-10-06 through 2025-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5639)
Duration: 2:02, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4178
09:56
Atlanta (ATL) N

11:39
Dallas Fort Worth (DFW)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1956)
Duration: 2:43, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4178
10:00
Atlanta (ATL) N

11:39
Dallas Fort Worth (DFW)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1956)
Duration: 2:39, non-stop
Airbus A321 (321)
Alaska Airlines AS4178
10:05
Atlanta (ATL) N

11:39
Dallas Fort Worth (DFW)
Effective 2025-11-29 through 2025-12-02
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1956)
Duration: 2:34, non-stop
Airbus A321 (321)
Alaska Airlines AS4178
10:06
Atlanta (ATL) N

11:39
Dallas Fort Worth (DFW)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1956)
Duration: 2:33, non-stop
Airbus A321 (321)
Alaska Airlines AS4178
10:08
Atlanta (ATL) N

11:39
Dallas Fort Worth (DFW)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1956)
Duration: 2:31, non-stop
Airbus A321 (321)
Alaska Airlines AS4178
10:30
Philadelphia (PHL) F

12:45
Grand Rapids (GRR)
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5683)
Duration: 2:15, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4178
10:40
Phoenix Sky Harbor (PHX) 4

13:19
Salt Lake City (SLC)
Effective 2025-05-05 through 2025-05-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2138)
Duration: 1:39, non-stop
Airbus A319 (319)
Alaska Airlines AS4178
10:40
Phoenix Sky Harbor (PHX) 4

13:19
Salt Lake City (SLC)
Effective 2025-05-26 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2138)
Duration: 1:39, non-stop
Airbus A319 (319)
Alaska Airlines AS4178
10:52
Newark Liberty, New York (EWR) A

12:32
Chicago O'Hare (ORD) 3
Effective 2025-08-06 through 2025-08-08
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4333)
Duration: 2:40, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4178
10:52
Newark Liberty, New York (EWR) A

12:32
Chicago O'Hare (ORD) 3
Effective 2025-08-20 through 2025-09-02
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4333)
Duration: 2:40, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4178
11:41
Rochester (ROC)

12:40
Chicago O'Hare (ORD) 3
Effective 2025-11-20 through 2025-11-21
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3346)
Duration: 1:59, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4178
13:10
Chicago O'Hare (ORD) 3

15:30
Cleveland Hopkins (CLE)
Effective 2025-11-23 through 2025-11-28
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3566)
Duration: 1:20, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4178
13:32
Charleston (CHS)

15:05
Chicago O'Hare (ORD) 3
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3931)
Duration: 2:33, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4178
13:47
Miami (MIA)

15:49
Phoenix Sky Harbor (PHX) 4
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1454)
Duration: 5:02, non-stop
Airbus A321neo (32Q)
Alaska Airlines AS4178
14:07
Salt Lake City (SLC)

14:49
Phoenix Sky Harbor (PHX) 4
Effective 2025-05-05 through 2025-05-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2138)
Duration: 1:42, non-stop
Airbus A319 (319)
Alaska Airlines AS4178
14:07
Salt Lake City (SLC)

14:49
Phoenix Sky Harbor (PHX) 4
Effective 2025-05-26 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2138)
Duration: 1:42, non-stop
Airbus A319 (319)
Alaska Airlines AS4178
14:50
Chicago O'Hare (ORD) 3

17:49
Richmond (RIC)
Effective 2025-11-08 through 2025-11-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4896)
Duration: 1:59, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4178
15:10
Fort Lauderdale (FLL) 3

17:55
Philadelphia (PHL)
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2390)
Duration: 2:45, non-stop
Airbus A321 (321)
Alaska Airlines AS4178
15:15
Nashville (BNA)

17:09
Chicago O'Hare (ORD) 3
Effective 2025-08-09 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6285)
Duration: 1:54, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4178
15:15
Nashville (BNA)

17:09
Chicago O'Hare (ORD) 3
Effective 2025-08-21 through 2025-09-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6285)
Duration: 1:54, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4178
17:23
Cleveland Hopkins (CLE)

18:00
Chicago O'Hare (ORD) 3
Effective 2025-11-23 through 2025-11-28
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3566)
Duration: 1:37, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4178
18:24
Richmond (RIC)

19:50
Chicago O'Hare (ORD) 3
Operates only on 2025-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4905)
Duration: 2:26, non-stop
Canadair CRJ 700 (CR7)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Dallas Fort Worth (DFW)
  • Charleston (CHS) - Chicago O'Hare (ORD)
  • Chicago O'Hare (ORD) - Fort Wayne (FWA)
  • Chicago O'Hare (ORD) - Richmond (RIC)
  • Cincinnati (CVG) - Dallas Fort Worth (DFW)
  • Cleveland Hopkins (CLE) - Chicago O'Hare (ORD)
  • Des Moines (DSM) - Phoenix Sky Harbor (PHX)
  • Fort Lauderdale (FLL) - Philadelphia (PHL)
  • Miami (MIA) - Phoenix Sky Harbor (PHX)
  • Nashville (BNA) - Chicago O'Hare (ORD)
  • Newark Liberty, New York (EWR) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - Grand Rapids (GRR)
  • Philadelphia (PHL) - Knoxville (TYS)
  • Pittsburgh (PIT) - Dallas Fort Worth (DFW)
  • Rochester (ROC) - Chicago O'Hare (ORD)
  • Salt Lake City (SLC) - Phoenix Sky Harbor (PHX)
All Alaska Airlines flights
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