Alaska Airlines flight AS 6643: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 08:15 Dallas Fort Worth (DFW) 09:57 McAllen/Mission (MFE) AS 6643 Non-stop Embraer EMB 175 (E75) 1:42 Effective 2025-05-05 through 2025-06-04 Codeshare flight, operated by American Airlines.(AA 3916)
Daily 08:18 Dallas Fort Worth (DFW) 11:44 Knoxville (TYS) AS 6643 Non-stop Canadair CRJ 900 (CR9) 2:26 Effective 2025-07-05 through 2025-08-05 Codeshare flight, operated by American Airlines.(AA 5295)
Daily 08:20 Dallas Fort Worth (DFW) 11:47 Knoxville (TYS) AS 6643 Non-stop Canadair CRJ 900 (CR9) 2:27 Effective 2025-06-05 through 2025-07-04 Codeshare flight, operated by American Airlines.(AA 5295)
Mon-Fri,Sun 09:10 Springfield (SGF) 10:44 Dallas Fort Worth (DFW) AS 6643 Non-stop Embraer EMB 175 (E75) 1:34 Valid until 2025-05-02 Codeshare flight, operated by American Airlines.(AA 3368)
Sat,Sun 09:10 Springfield (SGF) 10:44 Dallas Fort Worth (DFW) AS 6643 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2025-05-03 through 2025-05-04 Codeshare flight, operated by American Airlines.(AA 3368)
Sun 09:57 Dallas Fort Worth (DFW) 13:18 Knoxville (TYS) AS 6643 Non-stop Boeing 737-800 (738) 2:21 Operates only on 2025-10-26 Codeshare flight, operated by American Airlines.(AA 2544)
Daily 10:00 Dallas Fort Worth (DFW) 13:14 Knoxville (TYS) AS 6643 Non-stop Boeing 737-800 (738) 2:14 Effective 2025-09-03 through 2025-10-05 Codeshare flight, operated by American Airlines.(AA 2544)
Daily 10:31 McAllen/Mission (MFE) 12:08 Dallas Fort Worth (DFW) AS 6643 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-05-05 through 2025-06-04 Codeshare flight, operated by American Airlines.(AA 3916)
Daily 12:14 Knoxville (TYS) 13:39 Dallas Fort Worth (DFW) AS 6643 Non-stop Canadair CRJ 900 (CR9) 2:25 Effective 2025-07-05 through 2025-08-05 Codeshare flight, operated by American Airlines.(AA 5295)
Daily 12:17 Knoxville (TYS) 13:42 Dallas Fort Worth (DFW) AS 6643 Non-stop Canadair CRJ 900 (CR9) 2:25 Effective 2025-06-05 through 2025-07-04 Codeshare flight, operated by American Airlines.(AA 5295)
Sun 14:22 Knoxville (TYS) 15:55 Dallas Fort Worth (DFW) AS 6643 Non-stop Boeing 737-800 (738) 2:33 Operates only on 2025-10-26 Codeshare flight, operated by American Airlines.(AA 2544)
Mon-Sat 14:25 Dallas Fort Worth (DFW) 17:30 Louisville (SDF) AS 6643 Non-stop Boeing 737-800 (738) 2:05 Effective 2025-10-27 through 2025-11-01 Codeshare flight, operated by American Airlines.(AA 3072)
Daily 14:25 Dallas Fort Worth (DFW) 17:25 Louisville (SDF) AS 6643 Non-stop Airbus A320 (320) 2:00 Effective 2025-11-20 through 2025-12-17 Codeshare flight, operated by American Airlines.(AA 3072)
Daily 14:25 Dallas Fort Worth (DFW) 17:33 Louisville (SDF) AS 6643 Non-stop Embraer EMB 175 (E75) 2:08 Effective 2025-12-18 through 2026-01-05 Codeshare flight, operated by American Airlines.(AA 3584)
Daily 14:25 Dallas Fort Worth (DFW) 17:24 Louisville (SDF) AS 6643 Non-stop Airbus A319 (319) 1:59 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by American Airlines.(AA 1724)
Daily 14:25 Dallas Fort Worth (DFW) 17:25 Louisville (SDF) AS 6643 Non-stop Airbus A319 (319) 2:00 Effective from 2026-02-12 Codeshare flight, operated by American Airlines.(AA 3072)
Daily 14:27 Knoxville (TYS) 15:55 Dallas Fort Worth (DFW) AS 6643 Non-stop Boeing 737-800 (738) 2:28 Effective 2025-09-03 through 2025-10-05 Codeshare flight, operated by American Airlines.(AA 2544)
Daily 16:35 Dallas Fort Worth (DFW) 19:42 Louisville (SDF) AS 6643 Non-stop Embraer EMB 175 (E75) 2:07 Effective 2025-10-06 through 2025-10-25 Codeshare flight, operated by American Airlines.(AA 4011)
Daily 18:24 Louisville (SDF) 20:00 Dallas Fort Worth (DFW) AS 6643 Non-stop Airbus A320 (320) 2:36 Effective 2025-11-20 through 2025-12-02 Codeshare flight, operated by American Airlines.(AA 3072)
Daily 18:26 Louisville (SDF) 20:00 Dallas Fort Worth (DFW) AS 6643 Non-stop Embraer EMB 175 (E75) 2:34 Effective 2025-12-18 through 2026-01-05 Codeshare flight, operated by American Airlines.(AA 3584)
Daily 18:28 Louisville (SDF) 20:00 Dallas Fort Worth (DFW) AS 6643 Non-stop Airbus A320 (320) 2:32 Effective 2025-12-03 through 2025-12-17 Codeshare flight, operated by American Airlines.(AA 3072)
Daily 18:28 Louisville (SDF) 20:00 Dallas Fort Worth (DFW) AS 6643 Non-stop Airbus A319 (319) 2:32 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by American Airlines.(AA 1724)
Daily 18:32 Louisville (SDF) 20:00 Dallas Fort Worth (DFW) AS 6643 Non-stop Airbus A319 (319) 2:28 Effective from 2026-02-12 Codeshare flight, operated by American Airlines.(AA 3072)
Mon-Sat 18:36 Louisville (SDF) 20:03 Dallas Fort Worth (DFW) AS 6643 Non-stop Boeing 737-800 (738) 2:27 Effective 2025-10-27 through 2025-11-01 Codeshare flight, operated by American Airlines.(AA 3072)
Daily 20:14 Springfield (SGF) 21:50 Dallas Fort Worth (DFW) AS 6643 Non-stop Embraer EMB 175 (E75) 1:36 Effective 2025-11-02 through 2025-11-19 Codeshare flight, operated by American Airlines.(AA 3752)
Daily 20:19 Louisville (SDF) 21:50 Dallas Fort Worth (DFW) AS 6643 Non-stop Embraer EMB 175 (E75) 2:31 Effective 2025-10-06 through 2025-10-25 Codeshare flight, operated by American Airlines.(AA 4011)

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This flight number is listed as serving the following routes:

Dallas Fort Worth (DFW) - Knoxville (TYS)
Dallas Fort Worth (DFW) - Louisville (SDF)
McAllen/Mission (MFE) - Dallas Fort Worth (DFW)
Springfield (SGF) - Dallas Fort Worth (DFW)

All Alaska Airlines flights

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Alaska Airlines flight AS 6643: Multiple routes

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FLIGHT SCHEDULE

Direct Codeshare Flights:

Alaska Airlines AS6643

08:15

Dallas Fort Worth (DFW)

09:57

McAllen/Mission (MFE)

Effective 2025-05-05 through 2025-06-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3916)

Duration: 1:42, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS6643

08:18

Dallas Fort Worth (DFW)

11:44

Knoxville (TYS)

Effective 2025-07-05 through 2025-08-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5295)

Duration: 2:26, non-stop
Canadair CRJ 900 (CR9)

Alaska Airlines AS6643

08:20

Dallas Fort Worth (DFW)

11:47

Knoxville (TYS)

Effective 2025-06-05 through 2025-07-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5295)

Duration: 2:27, non-stop
Canadair CRJ 900 (CR9)

Alaska Airlines AS6643

09:10

Springfield (SGF)

10:44

Dallas Fort Worth (DFW)

Valid until 2025-05-02

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 3368)

Duration: 1:34, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS6643

09:10

Springfield (SGF)

10:44

Dallas Fort Worth (DFW)

Effective 2025-05-03 through 2025-05-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3368)

Duration: 1:34, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS6643

09:57

Dallas Fort Worth (DFW)

13:18

Knoxville (TYS)

Operates only on 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 2544)

Duration: 2:21, non-stop
Boeing 737-800 (738)

Alaska Airlines AS6643

10:00

Dallas Fort Worth (DFW)

13:14

Knoxville (TYS)

Effective 2025-09-03 through 2025-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 2544)

Duration: 2:14, non-stop
Boeing 737-800 (738)

Alaska Airlines AS6643

10:31

McAllen/Mission (MFE)

12:08

Dallas Fort Worth (DFW)

Effective 2025-05-05 through 2025-06-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3916)

Duration: 1:37, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS6643

12:14

Knoxville (TYS)

13:39

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 5295)

Duration: 2:25, non-stop
Canadair CRJ 900 (CR9)

Alaska Airlines AS6643

12:17

Knoxville (TYS)

13:42

Dallas Fort Worth (DFW)

Effective 2025-06-05 through 2025-07-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5295)

Duration: 2:25, non-stop
Canadair CRJ 900 (CR9)

Alaska Airlines AS6643

14:22

Knoxville (TYS)

15:55

Dallas Fort Worth (DFW)

Operates only on 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 2544)

Duration: 2:33, non-stop
Boeing 737-800 (738)

Alaska Airlines AS6643

14:25

Dallas Fort Worth (DFW)

17:30

Louisville (SDF)

Effective 2025-10-27 through 2025-11-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 3072)

Duration: 2:05, non-stop
Boeing 737-800 (738)

Alaska Airlines AS6643

14:25

Dallas Fort Worth (DFW)

17:25

Louisville (SDF)

Effective 2025-11-20 through 2025-12-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3072)

Duration: 2:00, non-stop
Airbus A320 (320)

Alaska Airlines AS6643

14:25

Dallas Fort Worth (DFW)

17:33

Louisville (SDF)

Effective 2025-12-18 through 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3584)

Duration: 2:08, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS6643

14:25

Dallas Fort Worth (DFW)

17:24

Louisville (SDF)

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 1724)

Duration: 1:59, non-stop
Airbus A319 (319)

Alaska Airlines AS6643

14:25

Dallas Fort Worth (DFW)

17:25

Louisville (SDF)

Effective from 2026-02-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3072)

Duration: 2:00, non-stop
Airbus A319 (319)

Alaska Airlines AS6643

14:27

Knoxville (TYS)

15:55

Dallas Fort Worth (DFW)

Effective 2025-09-03 through 2025-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 2544)

Duration: 2:28, non-stop
Boeing 737-800 (738)

Alaska Airlines AS6643

16:35

Dallas Fort Worth (DFW)

19:42

Louisville (SDF)

Effective 2025-10-06 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4011)

Duration: 2:07, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS6643

18:24

Louisville (SDF)

20:00

Dallas Fort Worth (DFW)

Effective 2025-11-20 through 2025-12-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3072)

Duration: 2:36, non-stop
Airbus A320 (320)

Alaska Airlines AS6643

18:26

Louisville (SDF)

20:00

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 3584)

Duration: 2:34, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS6643

18:28

Louisville (SDF)

20:00

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 3072)

Duration: 2:32, non-stop
Airbus A320 (320)

Alaska Airlines AS6643

18:28

Louisville (SDF)

20:00

Dallas Fort Worth (DFW)

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 1724)

Duration: 2:32, non-stop
Airbus A319 (319)

Alaska Airlines AS6643

18:32

Louisville (SDF)

20:00

Dallas Fort Worth (DFW)

Effective from 2026-02-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3072)

Duration: 2:28, non-stop
Airbus A319 (319)

Alaska Airlines AS6643

18:36

Louisville (SDF)

20:03

Dallas Fort Worth (DFW)

Effective 2025-10-27 through 2025-11-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 3072)

Duration: 2:27, non-stop
Boeing 737-800 (738)

Alaska Airlines AS6643

20:14

Springfield (SGF)

21:50

Dallas Fort Worth (DFW)

Effective 2025-11-02 through 2025-11-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3752)

Duration: 1:36, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS6643

20:19

Louisville (SDF)

21:50

Dallas Fort Worth (DFW)

Effective 2025-10-06 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4011)

Duration: 2:31, non-stop
Embraer EMB 175 (E75)

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This flight number is listed as serving the following routes:

Dallas Fort Worth (DFW) - Knoxville (TYS)
Dallas Fort Worth (DFW) - Louisville (SDF)
McAllen/Mission (MFE) - Dallas Fort Worth (DFW)
Springfield (SGF) - Dallas Fort Worth (DFW)

All Alaska Airlines flights

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