Alaska Airlines flight AS 4045: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 07:00 Dallas Fort Worth (DFW) 08:31 Springfield (SGF)
AS 4045 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:31 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3985)
Daily 07:00 Dallas Fort Worth (DFW) 08:25 Springfield (SGF)
AS 4045 Non-stop Embraer EMB 175 (E75) 1:25 Effective 2026-01-08 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3985)
Daily 07:00 Dallas Fort Worth (DFW) 08:30 Springfield (SGF)
AS 4045 Non-stop Embraer EMB 175 (E75) 1:30 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 3985)
Wed 07:20 Kansas City (MCI) 09:10 Chicago O'Hare (ORD) 3
AS 4045 Non-stop Canadair CRJ 700 (CR7) 1:50 Operates only on 2026-01-07
Codeshare flight, operated by American Airlines.(AA 6245)
Daily 09:40 Chicago O'Hare (ORD) 3 12:55 Charleston (CHS)
AS 4045 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:15 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 4219)
Thu-Sun 10:44 Philadelphia (PHL) F 12:36 Bangor (BGR)
AS 4045 Non-stop Embraer ERJ 145 (ER4) 1:52 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 5844)
Tue 12:09 Lubbock (LBB) 13:35 Dallas Fort Worth (DFW) E
AS 4045 Non-stop Canadair CRJ 700 (CR7) 1:26 Operates only on 2026-01-06
Codeshare flight, operated by American Airlines.(AA 6354)
Daily 12:19 Dallas Fort Worth (DFW) 15:39 Atlanta (ATL) N
AS 4045 Non-stop Airbus A321 (321) 2:20 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 1236)
Daily 12:19 Dallas Fort Worth (DFW) 15:34 Atlanta (ATL) N
AS 4045 Non-stop Airbus A321 (321) 2:15 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 1236)
Sat 12:20 Dallas Fort Worth (DFW) 15:40 Atlanta (ATL) N
AS 4045 Non-stop Airbus A320 (320) 2:20 Effective 2025-06-07 through 2025-06-14
Codeshare flight, operated by American Airlines.(AA 1236)
Sat 12:20 Dallas Fort Worth (DFW) 15:40 Atlanta (ATL) N
AS 4045 Non-stop Airbus A320 (320) 2:20 Operates only on 2025-06-28
Codeshare flight, operated by American Airlines.(AA 1236)
Daily 12:21 Dallas Fort Worth (DFW) 15:33 Atlanta (ATL) N
AS 4045 Non-stop Airbus A321 (321) 2:12 Effective 2025-05-05 through 2025-05-14
Codeshare flight, operated by American Airlines.(AA 1236)
Daily 12:21 Dallas Fort Worth (DFW) 15:33 Atlanta (ATL) N
AS 4045 Non-stop Airbus A321 (321) 2:12 Effective 2025-05-16 through 2025-05-30
Codeshare flight, operated by American Airlines.(AA 1236)
Sat 12:21 Dallas Fort Worth (DFW) 15:34 Atlanta (ATL) N
AS 4045 Non-stop Airbus A320 (320) 2:13 Operates only on 2025-05-31
Codeshare flight, operated by American Airlines.(AA 1236)
Mon-Wed,Sun 12:21 Dallas Fort Worth (DFW) 15:33 Atlanta (ATL) N
AS 4045 Non-stop Airbus A321 (321) 2:12 Effective 2025-06-01 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 1236)
Mon-Fri,Sun 12:27 Dallas Fort Worth (DFW) 15:43 Atlanta (ATL) N
AS 4045 Non-stop Airbus A321neo (32Q) 2:16 Effective 2025-06-05 through 2025-06-18
Codeshare flight, operated by American Airlines.(AA 1236)
Thu 12:27 Dallas Fort Worth (DFW) 15:43 Atlanta (ATL) N
AS 4045 Non-stop Airbus A321 (321) 2:16 Operates only on 2025-06-19
Codeshare flight, operated by American Airlines.(AA 1236)
Mon-Fri,Sun 12:27 Dallas Fort Worth (DFW) 15:43 Atlanta (ATL) N
AS 4045 Non-stop Airbus A321neo (32Q) 2:16 Effective 2025-06-20 through 2025-06-27
Codeshare flight, operated by American Airlines.(AA 1236)
Sun 12:27 Dallas Fort Worth (DFW) 15:43 Atlanta (ATL) N
AS 4045 Non-stop Airbus A321 (321) 2:16 Operates only on 2025-06-29
Codeshare flight, operated by American Airlines.(AA 1236)
Mon-Fri 12:27 Dallas Fort Worth (DFW) 15:43 Atlanta (ATL) N
AS 4045 Non-stop Airbus A321neo (32Q) 2:16 Effective 2025-06-30 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 1236)
Daily 13:35 Phoenix Sky Harbor (PHX) 4 14:59 Santa Ana (SNA)
AS 4045 Non-stop Airbus A321neo (32Q) 1:24 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 2463)
Daily 15:26 Omaha (OMA) 17:11 Los Angeles (LAX)
AS 4045 Non-stop Embraer EMB 175 (E75) 3:45 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 6469)
Sat 15:29 Charlotte (CLT) 17:14 Philadelphia (PHL)
AS 4045 Non-stop Boeing 737-800 (738) 1:45 Operates only on 2025-07-05
Codeshare flight, operated by American Airlines.(AA 1838)
Mon-Fri,Sun 17:48 Fort Wayne (FWA) 18:00 Chicago O'Hare (ORD) 3
AS 4045 Non-stop Canadair CRJ 700 (CR7) 1:12 Effective 2025-10-26 through 2025-10-31
Codeshare flight, operated by American Airlines.(AA 4900)
Thu,Fri 18:30 Dallas Fort Worth (DFW) 21:35 Atlanta (ATL) N
AS 4045 Non-stop Boeing 737-800 (738) 2:05 Effective 2025-12-18 through 2025-12-19
Codeshare flight, operated by American Airlines.(AA 2237)
Daily 19:05 Chicago O'Hare (ORD) 3 22:26 Norfolk (ORF)
AS 4045 Non-stop Embraer EMB 175 (E75) 2:21 Effective 2025-07-06 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 4510)
Sat 19:27 Traverse City (TVC) 19:50 Chicago O'Hare (ORD) 3
AS 4045 Non-stop Canadair CRJ 700 (CR7) 1:23 Operates only on 2025-11-01
Codeshare flight, operated by American Airlines.(AA 4970)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4045: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4045
07:00
Dallas Fort Worth (DFW)

08:31
Springfield (SGF)
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3985)
Duration: 1:31, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4045
07:00
Dallas Fort Worth (DFW)

08:25
Springfield (SGF)
Effective 2026-01-08 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3985)
Duration: 1:25, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4045
07:00
Dallas Fort Worth (DFW)

08:30
Springfield (SGF)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3985)
Duration: 1:30, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4045
07:20
Kansas City (MCI)

09:10
Chicago O'Hare (ORD) 3
Operates only on 2026-01-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6245)
Duration: 1:50, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4045
09:40
Chicago O'Hare (ORD) 3

12:55
Charleston (CHS)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4219)
Duration: 2:15, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4045
10:44
Philadelphia (PHL) F

12:36
Bangor (BGR)
Valid until 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5844)
Duration: 1:52, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4045
12:09
Lubbock (LBB)

13:35
Dallas Fort Worth (DFW) E
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6354)
Duration: 1:26, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4045
12:19
Dallas Fort Worth (DFW)

15:39
Atlanta (ATL) N
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:20, non-stop
Airbus A321 (321)
Alaska Airlines AS4045
12:19
Dallas Fort Worth (DFW)

15:34
Atlanta (ATL) N
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:15, non-stop
Airbus A321 (321)
Alaska Airlines AS4045
12:20
Dallas Fort Worth (DFW)

15:40
Atlanta (ATL) N
Effective 2025-06-07 through 2025-06-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:20, non-stop
Airbus A320 (320)
Alaska Airlines AS4045
12:20
Dallas Fort Worth (DFW)

15:40
Atlanta (ATL) N
Operates only on 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:20, non-stop
Airbus A320 (320)
Alaska Airlines AS4045
12:21
Dallas Fort Worth (DFW)

15:33
Atlanta (ATL) N
Effective 2025-05-05 through 2025-05-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:12, non-stop
Airbus A321 (321)
Alaska Airlines AS4045
12:21
Dallas Fort Worth (DFW)

15:33
Atlanta (ATL) N
Effective 2025-05-16 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:12, non-stop
Airbus A321 (321)
Alaska Airlines AS4045
12:21
Dallas Fort Worth (DFW)

15:34
Atlanta (ATL) N
Operates only on 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:13, non-stop
Airbus A320 (320)
Alaska Airlines AS4045
12:21
Dallas Fort Worth (DFW)

15:33
Atlanta (ATL) N
Effective 2025-06-01 through 2025-06-04
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:12, non-stop
Airbus A321 (321)
Alaska Airlines AS4045
12:27
Dallas Fort Worth (DFW)

15:43
Atlanta (ATL) N
Effective 2025-06-05 through 2025-06-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:16, non-stop
Airbus A321neo (32Q)
Alaska Airlines AS4045
12:27
Dallas Fort Worth (DFW)

15:43
Atlanta (ATL) N
Operates only on 2025-06-19
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:16, non-stop
Airbus A321 (321)
Alaska Airlines AS4045
12:27
Dallas Fort Worth (DFW)

15:43
Atlanta (ATL) N
Effective 2025-06-20 through 2025-06-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:16, non-stop
Airbus A321neo (32Q)
Alaska Airlines AS4045
12:27
Dallas Fort Worth (DFW)

15:43
Atlanta (ATL) N
Operates only on 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:16, non-stop
Airbus A321 (321)
Alaska Airlines AS4045
12:27
Dallas Fort Worth (DFW)

15:43
Atlanta (ATL) N
Effective 2025-06-30 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1236)
Duration: 2:16, non-stop
Airbus A321neo (32Q)
Alaska Airlines AS4045
13:35
Phoenix Sky Harbor (PHX) 4

14:59
Santa Ana (SNA)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2463)
Duration: 1:24, non-stop
Airbus A321neo (32Q)
Alaska Airlines AS4045
15:26
Omaha (OMA)

17:11
Los Angeles (LAX)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6469)
Duration: 3:45, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4045
15:29
Charlotte (CLT)

17:14
Philadelphia (PHL)
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1838)
Duration: 1:45, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4045
17:48
Fort Wayne (FWA)

18:00
Chicago O'Hare (ORD) 3
Effective 2025-10-26 through 2025-10-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4900)
Duration: 1:12, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4045
18:30
Dallas Fort Worth (DFW)

21:35
Atlanta (ATL) N
Effective 2025-12-18 through 2025-12-19
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2237)
Duration: 2:05, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4045
19:05
Chicago O'Hare (ORD) 3

22:26
Norfolk (ORF)
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4510)
Duration: 2:21, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4045
19:27
Traverse City (TVC)

19:50
Chicago O'Hare (ORD) 3
Operates only on 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4970)
Duration: 1:23, non-stop
Canadair CRJ 700 (CR7)
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This flight number is listed as serving the following routes:
  • Charlotte (CLT) - Philadelphia (PHL)
  • Chicago O'Hare (ORD) - Charleston (CHS)
  • Chicago O'Hare (ORD) - Norfolk (ORF)
  • Dallas Fort Worth (DFW) - Atlanta (ATL)
  • Dallas Fort Worth (DFW) - Springfield (SGF)
  • Fort Wayne (FWA) - Chicago O'Hare (ORD)
  • Kansas City (MCI) - Chicago O'Hare (ORD)
  • Lubbock (LBB) - Dallas Fort Worth (DFW)
  • Omaha (OMA) - Los Angeles (LAX)
  • Philadelphia (PHL) - Bangor (BGR)
  • Phoenix Sky Harbor (PHX) - Santa Ana (SNA)
  • Traverse City (TVC) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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