Alaska Airlines flight AS 6643: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Tue,Thu-Sun 14:25 Dallas Fort Worth (DFW) 17:28 Louisville (SDF)
AS 6643 Non-stop Boeing 737-800 (738) 2:03 Valid until 2026-01-04
Codeshare flight, operated by American Airlines.(AA 3234)
Daily 14:25 Dallas Fort Worth (DFW) 17:30 Louisville (SDF)
AS 6643 Non-stop Airbus A319 (319) 2:05 Effective 2026-04-07 through 2026-04-29
Codeshare flight, operated by American Airlines.(AA 2762)
Thu-Sun 14:25 Dallas Fort Worth (DFW) 17:30 Louisville (SDF)
AS 6643 Non-stop Airbus A321 (321) 2:05 Effective 2026-04-30 through 2026-05-03
Codeshare flight, operated by American Airlines.(AA 2762)
Daily 14:25 Dallas Fort Worth (DFW) 17:30 Louisville (SDF)
AS 6643 Non-stop Airbus A319 (319) 2:05 Effective 2026-05-04 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 2762)
Daily 14:25 Dallas Fort Worth (DFW) 17:34 Louisville (SDF)
AS 6643 Non-stop Canadair CRJ 900 (CR9) 2:09 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 5396)
Daily 14:25 Dallas Fort Worth (DFW) 17:40 Louisville (SDF)
AS 6643 Non-stop Canadair CRJ 900 (CR9) 2:15 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 5387)
Daily 14:25 Dallas Fort Worth (DFW) 17:27 Louisville (SDF)
AS 6643 Non-stop Boeing 737-800 (738) 2:02 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3072)
Daily 14:32 Dallas Fort Worth (DFW) 17:33 Louisville (SDF)
AS 6643 Non-stop Boeing 737-800 (738) 2:01 Effective 2026-01-06 through 2026-01-26
Codeshare flight, operated by American Airlines.(AA 3072)
Tue 14:32 Dallas Fort Worth (DFW) 17:33 Louisville (SDF)
AS 6643 Non-stop Airbus A319 (319) 2:01 Effective 2026-01-27 through 2026-02-10
Codeshare flight, operated by American Airlines.(AA 3072)
Mon,Wed-Sun 14:32 Dallas Fort Worth (DFW) 17:33 Louisville (SDF)
AS 6643 Non-stop Boeing 737-800 (738) 2:01 Effective 2026-01-28 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3072)
Daily 14:33 Dallas Fort Worth (DFW) 17:34 Louisville (SDF)
AS 6643 Non-stop Airbus A320 (320) 2:01 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 3072)
Daily 14:33 Dallas Fort Worth (DFW) 17:37 Louisville (SDF)
AS 6643 Non-stop Airbus A320 (320) 2:04 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3072)
Mon 14:35 Dallas Fort Worth (DFW) 17:39 Louisville (SDF)
AS 6643 Non-stop Airbus A319 (319) 2:04 Operates only on 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3234)
Daily 16:57 Dallas Fort Worth (DFW) 20:01 Louisville (SDF)
AS 6643 Non-stop Airbus A320 (320) 2:04 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 2049)
Mon,Tue,Thu-Sun 18:19 Louisville (SDF) 19:49 Dallas Fort Worth (DFW)
AS 6643 Non-stop Boeing 737-800 (738) 2:30 Valid until 2026-01-04
Codeshare flight, operated by American Airlines.(AA 3234)
Mon 18:19 Louisville (SDF) 19:49 Dallas Fort Worth (DFW)
AS 6643 Non-stop Airbus A319 (319) 2:30 Operates only on 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3234)
Mon,Thu,Fri,Sun 18:20 Louisville (SDF) 20:04 Dallas Fort Worth (DFW)
AS 6643 Non-stop Airbus A320 (320) 2:44 Effective 2026-02-12 through 2026-02-19
Codeshare flight, operated by American Airlines.(AA 3072)
Thu,Fri,Sun 18:20 Louisville (SDF) 20:04 Dallas Fort Worth (DFW)
AS 6643 Non-stop Airbus A320 (320) 2:44 Effective 2026-02-22 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 3072)
Mon,Wed-Sun 18:24 Louisville (SDF) 20:05 Dallas Fort Worth (DFW)
AS 6643 Non-stop Airbus A320 (320) 2:41 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3072)
Daily 18:30 Louisville (SDF) 20:00 Dallas Fort Worth (DFW)
AS 6643 Non-stop Canadair CRJ 900 (CR9) 2:30 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 5387)
Daily 18:31 Louisville (SDF) 20:00 Dallas Fort Worth (DFW)
AS 6643 Non-stop Airbus A319 (319) 2:29 Effective 2026-04-07 through 2026-04-29
Codeshare flight, operated by American Airlines.(AA 2762)
Thu-Sun 18:31 Louisville (SDF) 20:00 Dallas Fort Worth (DFW)
AS 6643 Non-stop Airbus A321 (321) 2:29 Effective 2026-04-30 through 2026-05-03
Codeshare flight, operated by American Airlines.(AA 2762)
Daily 18:31 Louisville (SDF) 20:00 Dallas Fort Worth (DFW)
AS 6643 Non-stop Airbus A319 (319) 2:29 Effective 2026-05-04 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 2762)
Daily 18:32 Louisville (SDF) 20:14 Dallas Fort Worth (DFW)
AS 6643 Non-stop Boeing 737-800 (738) 2:42 Effective 2026-01-06 through 2026-01-26
Codeshare flight, operated by American Airlines.(AA 3072)
Tue 18:32 Louisville (SDF) 20:15 Dallas Fort Worth (DFW)
AS 6643 Non-stop Airbus A319 (319) 2:43 Effective 2026-01-27 through 2026-02-10
Codeshare flight, operated by American Airlines.(AA 3072)
Mon,Wed-Sun 18:32 Louisville (SDF) 20:14 Dallas Fort Worth (DFW)
AS 6643 Non-stop Boeing 737-800 (738) 2:42 Effective 2026-01-28 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3072)
Daily 18:36 Louisville (SDF) 20:00 Dallas Fort Worth (DFW)
AS 6643 Non-stop Boeing 737-800 (738) 2:24 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3072)
Tue,Wed,Fri,Sat 18:38 Louisville (SDF) 20:22 Dallas Fort Worth (DFW)
AS 6643 Non-stop Airbus A320 (320) 2:44 Effective 2026-02-14 through 2026-02-21
Codeshare flight, operated by American Airlines.(AA 3072)
Mon-Wed,Sat 18:38 Louisville (SDF) 20:22 Dallas Fort Worth (DFW)
AS 6643 Non-stop Airbus A320 (320) 2:44 Effective 2026-02-23 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 3072)
Tue 18:38 Louisville (SDF) 20:19 Dallas Fort Worth (DFW)
AS 6643 Non-stop Airbus A320 (320) 2:41 Effective 2026-03-10 through 2026-03-31
Codeshare flight, operated by American Airlines.(AA 3072)
Daily 18:38 Louisville (SDF) 20:00 Dallas Fort Worth (DFW)
AS 6643 Non-stop Canadair CRJ 900 (CR9) 2:22 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 5396)
This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 6643: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS6643
14:25
Dallas Fort Worth (DFW)

17:28
Louisville (SDF)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3234)
Duration: 2:03, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS6643
14:25
Dallas Fort Worth (DFW)

17:30
Louisville (SDF)
Effective 2026-04-07 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2762)
Duration: 2:05, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS6643
14:25
Dallas Fort Worth (DFW)

17:30
Louisville (SDF)
Effective 2026-04-30 through 2026-05-03
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2762)
Duration: 2:05, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS6643
14:25
Dallas Fort Worth (DFW)

17:30
Louisville (SDF)
Effective 2026-05-04 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2762)
Duration: 2:05, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS6643
14:25
Dallas Fort Worth (DFW)

17:34
Louisville (SDF)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5396)
Duration: 2:09, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS6643
14:25
Dallas Fort Worth (DFW)

17:40
Louisville (SDF)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5387)
Duration: 2:15, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS6643
14:25
Dallas Fort Worth (DFW)

17:27
Louisville (SDF)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:02, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS6643
14:32
Dallas Fort Worth (DFW)

17:33
Louisville (SDF)
Effective 2026-01-06 through 2026-01-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:01, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS6643
14:32
Dallas Fort Worth (DFW)

17:33
Louisville (SDF)
Effective 2026-01-27 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:01, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS6643
14:32
Dallas Fort Worth (DFW)

17:33
Louisville (SDF)
Effective 2026-01-28 through 2026-02-11
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:01, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS6643
14:33
Dallas Fort Worth (DFW)

17:34
Louisville (SDF)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:01, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS6643
14:33
Dallas Fort Worth (DFW)

17:37
Louisville (SDF)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:04, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS6643
14:35
Dallas Fort Worth (DFW)

17:39
Louisville (SDF)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3234)
Duration: 2:04, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS6643
16:57
Dallas Fort Worth (DFW)

20:01
Louisville (SDF)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2049)
Duration: 2:04, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:19
Louisville (SDF)

19:49
Dallas Fort Worth (DFW)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3234)
Duration: 2:30, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:19
Louisville (SDF)

19:49
Dallas Fort Worth (DFW)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3234)
Duration: 2:30, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:20
Louisville (SDF)

20:04
Dallas Fort Worth (DFW)
Effective 2026-02-12 through 2026-02-19
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:44, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:20
Louisville (SDF)

20:04
Dallas Fort Worth (DFW)
Effective 2026-02-22 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:44, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:24
Louisville (SDF)

20:05
Dallas Fort Worth (DFW)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:41, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:30
Louisville (SDF)

20:00
Dallas Fort Worth (DFW)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5387)
Duration: 2:30, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:31
Louisville (SDF)

20:00
Dallas Fort Worth (DFW)
Effective 2026-04-07 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2762)
Duration: 2:29, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:31
Louisville (SDF)

20:00
Dallas Fort Worth (DFW)
Effective 2026-04-30 through 2026-05-03
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2762)
Duration: 2:29, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:31
Louisville (SDF)

20:00
Dallas Fort Worth (DFW)
Effective 2026-05-04 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2762)
Duration: 2:29, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:32
Louisville (SDF)

20:14
Dallas Fort Worth (DFW)
Effective 2026-01-06 through 2026-01-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:42, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:32
Louisville (SDF)

20:15
Dallas Fort Worth (DFW)
Effective 2026-01-27 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:43, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:32
Louisville (SDF)

20:14
Dallas Fort Worth (DFW)
Effective 2026-01-28 through 2026-02-11
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:42, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:36
Louisville (SDF)

20:00
Dallas Fort Worth (DFW)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:24, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:38
Louisville (SDF)

20:22
Dallas Fort Worth (DFW)
Effective 2026-02-14 through 2026-02-21
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:44, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:38
Louisville (SDF)

20:22
Dallas Fort Worth (DFW)
Effective 2026-02-23 through 2026-03-07
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:44, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:38
Louisville (SDF)

20:19
Dallas Fort Worth (DFW)
Effective 2026-03-10 through 2026-03-31
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3072)
Duration: 2:41, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS6643
18:38
Louisville (SDF)

20:00
Dallas Fort Worth (DFW)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5396)
Duration: 2:22, non-stop
Canadair CRJ 900 (CR9)
This flight number is listed as serving the following routes:
  • Louisville (SDF) - Dallas Fort Worth (DFW)
All Alaska Airlines flights
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