Alaska Airlines flight AS 6644: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 05:37 Buffalo (BUF) 07:00 Ronald Reagan Washington (DCA) 2
AS 6644 Non-stop Canadair CRJ 700 (CR7) 1:23 Effective 2025-05-10 through 2025-05-31
Codeshare flight, operated by American Airlines.(AA 5203)
Daily 12:12 Dayton (DAY) 12:40 Chicago O'Hare (ORD) 3
AS 6644 Non-stop Canadair CRJ 700 (CR7) 1:28 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 5203)
Sat 12:16 Tulsa (TUL) 13:33 Dallas Fort Worth (DFW)
AS 6644 Non-stop Canadair CRJ 900 (CR9) 1:17 Operates only on 2025-06-07
Codeshare flight, operated by American Airlines.(AA 5223)
Sat 12:16 Tulsa (TUL) 13:33 Dallas Fort Worth (DFW)
AS 6644 Non-stop Canadair CRJ 900 (CR9) 1:17 Operates only on 2025-06-28
Codeshare flight, operated by American Airlines.(AA 5223)
Tue 13:56 Dayton (DAY) 14:20 Chicago O'Hare (ORD) 3
AS 6644 Non-stop Canadair CRJ 700 (CR7) 1:24 Operates only on 2026-01-06
Codeshare flight, operated by American Airlines.(AA 5203)
Mon-Fri,Sun 17:30 Ronald Reagan Washington (DCA) 2 19:14 Knoxville (TYS)
AS 6644 Non-stop Embraer EMB 175 (E75) 1:44 Effective 2025-05-05 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 4167)
Daily 17:33 Ronald Reagan Washington (DCA) 2 19:12 Knoxville (TYS)
AS 6644 Non-stop Canadair CRJ 700 (CR7) 1:39 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 5223)
Daily 18:00 Ronald Reagan Washington (DCA) 2 19:41 Knoxville (TYS)
AS 6644 Non-stop Canadair CRJ 700 (CR7) 1:41 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 5484)
Daily 19:45 Ronald Reagan Washington (DCA) 2 21:22 Knoxville (TYS)
AS 6644 Non-stop Canadair CRJ 700 (CR7) 1:37 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 5484)
Daily 19:45 Ronald Reagan Washington (DCA) 2 21:27 Knoxville (TYS)
AS 6644 Non-stop Canadair CRJ 700 (CR7) 1:42 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 5484)
Daily 19:45 Ronald Reagan Washington (DCA) 2 21:38 Knoxville (TYS)
AS 6644 Non-stop Canadair CRJ 900 (CR9) 1:53 Effective 2025-11-02 through 2025-11-20
Codeshare flight, operated by American Airlines.(AA 5484)
Daily 19:54 Ronald Reagan Washington (DCA) 2 21:48 Knoxville (TYS)
AS 6644 Non-stop Canadair CRJ 900 (CR9) 1:54 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 5484)
Sun 19:59 Ronald Reagan Washington (DCA) 2 21:45 Knoxville (TYS)
AS 6644 Non-stop Canadair CRJ 700 (CR7) 1:46 Effective 2025-07-06 through 2025-08-03
Codeshare flight, operated by American Airlines.(AA 5484)
Mon-Fri 20:03 Ronald Reagan Washington (DCA) 2 21:52 Knoxville (TYS)
AS 6644 Non-stop Canadair CRJ 700 (CR7) 1:49 Effective 2025-07-07 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 5484)
Mon-Fri,Sun 20:10 Ronald Reagan Washington (DCA) 2 21:50 Knoxville (TYS)
AS 6644 Non-stop Canadair CRJ 700 (CR7) 1:40 Effective 2025-06-05 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 5484)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 6644: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS6644
05:37
Buffalo (BUF)

07:00
Ronald Reagan Washington (DCA) 2
Effective 2025-05-10 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 5203)
Duration: 1:23, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS6644
12:12
Dayton (DAY)

12:40
Chicago O'Hare (ORD) 3
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5203)
Duration: 1:28, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS6644
12:16
Tulsa (TUL)

13:33
Dallas Fort Worth (DFW)
Operates only on 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 5223)
Duration: 1:17, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS6644
12:16
Tulsa (TUL)

13:33
Dallas Fort Worth (DFW)
Operates only on 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 5223)
Duration: 1:17, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS6644
13:56
Dayton (DAY)

14:20
Chicago O'Hare (ORD) 3
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5203)
Duration: 1:24, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS6644
17:30
Ronald Reagan Washington (DCA) 2

19:14
Knoxville (TYS)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4167)
Duration: 1:44, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6644
17:33
Ronald Reagan Washington (DCA) 2

19:12
Knoxville (TYS)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5223)
Duration: 1:39, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS6644
18:00
Ronald Reagan Washington (DCA) 2

19:41
Knoxville (TYS)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5484)
Duration: 1:41, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS6644
19:45
Ronald Reagan Washington (DCA) 2

21:22
Knoxville (TYS)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5484)
Duration: 1:37, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS6644
19:45
Ronald Reagan Washington (DCA) 2

21:27
Knoxville (TYS)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5484)
Duration: 1:42, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS6644
19:45
Ronald Reagan Washington (DCA) 2

21:38
Knoxville (TYS)
Effective 2025-11-02 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5484)
Duration: 1:53, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS6644
19:54
Ronald Reagan Washington (DCA) 2

21:48
Knoxville (TYS)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5484)
Duration: 1:54, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS6644
19:59
Ronald Reagan Washington (DCA) 2

21:45
Knoxville (TYS)
Effective 2025-07-06 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5484)
Duration: 1:46, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS6644
20:03
Ronald Reagan Washington (DCA) 2

21:52
Knoxville (TYS)
Effective 2025-07-07 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5484)
Duration: 1:49, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS6644
20:10
Ronald Reagan Washington (DCA) 2

21:50
Knoxville (TYS)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5484)
Duration: 1:40, non-stop
Canadair CRJ 700 (CR7)
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This flight number is listed as serving the following routes:
  • Buffalo (BUF) - Ronald Reagan Washington (DCA)
  • Dayton (DAY) - Chicago O'Hare (ORD)
  • Ronald Reagan Washington (DCA) - Knoxville (TYS)
  • Tulsa (TUL) - Dallas Fort Worth (DFW)
All Alaska Airlines flights
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