Alaska Airlines flight AS 6663: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 08:00 Chicago O'Hare (ORD) 3 10:19 Cincinnati (CVG)
AS 6663 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:19 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 3578)
Daily 09:40 Chicago O'Hare (ORD) 3 11:50 Cincinnati (CVG)
AS 6663 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:10 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 3578)
Daily 12:13 Cincinnati (CVG) 12:40 Chicago O'Hare (ORD) 3
AS 6663 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:27 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 3578)
Daily 14:47 Chicago O'Hare (ORD) 3 17:00 Dayton (DAY)
AS 6663 Non-stop Embraer ERJ 145 (ER4) 1:13 Effective 2025-05-05 through 2025-05-14
Codeshare flight, operated by American Airlines.(AA 5815)
Daily 14:50 Chicago O'Hare (ORD) 3 16:49 Tulsa (TUL)
AS 6663 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 3578)
Sat 15:00 Chicago O'Hare (ORD) 3 17:35 Toronto Pearson (YYZ) 3
AS 6663 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:35 Operates only on 2025-05-24
Codeshare flight, operated by American Airlines.(AA 3610)
Daily 16:40 Chicago O'Hare (ORD) 3 18:39 Tulsa (TUL)
AS 6663 Non-stop Embraer EMB 175 (E75) 1:59 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3578)
Mon,Tue,Thu-Sun 16:50 Chicago O'Hare (ORD) 3 18:43 Tulsa (TUL)
AS 6663 Non-stop Embraer EMB 175 (E75) 1:53 Effective 2025-07-05 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 3578)
Daily 16:50 Chicago O'Hare (ORD) 3 18:43 Tulsa (TUL)
AS 6663 Non-stop Embraer EMB 175 (E75) 1:53 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 3578)
Daily 20:30 Chicago O'Hare (ORD) 3 23:25 Toronto Pearson (YYZ) 3
AS 6663 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:55 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 3456)
Daily 20:59 Ronald Reagan Washington (DCA) 2 22:32 Boston Logan (BOS) B
AS 6663 Non-stop Embraer EMB 175 (E75) 1:33 Effective 2025-06-05 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 4431)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 6663: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS6663
08:00
Chicago O'Hare (ORD) 3

10:19
Cincinnati (CVG)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3578)
Duration: 1:19, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS6663
09:40
Chicago O'Hare (ORD) 3

11:50
Cincinnati (CVG)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3578)
Duration: 1:10, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS6663
12:13
Cincinnati (CVG)

12:40
Chicago O'Hare (ORD) 3
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3578)
Duration: 1:27, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS6663
14:47
Chicago O'Hare (ORD) 3

17:00
Dayton (DAY)
Effective 2025-05-05 through 2025-05-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5815)
Duration: 1:13, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS6663
14:50
Chicago O'Hare (ORD) 3

16:49
Tulsa (TUL)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3578)
Duration: 1:59, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS6663
15:00
Chicago O'Hare (ORD) 3

17:35
Toronto Pearson (YYZ) 3
Operates only on 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3610)
Duration: 1:35, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS6663
16:40
Chicago O'Hare (ORD) 3

18:39
Tulsa (TUL)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3578)
Duration: 1:59, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6663
16:50
Chicago O'Hare (ORD) 3

18:43
Tulsa (TUL)
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3578)
Duration: 1:53, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6663
16:50
Chicago O'Hare (ORD) 3

18:43
Tulsa (TUL)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3578)
Duration: 1:53, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS6663
20:30
Chicago O'Hare (ORD) 3

23:25
Toronto Pearson (YYZ) 3
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3456)
Duration: 1:55, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS6663
20:59
Ronald Reagan Washington (DCA) 2

22:32
Boston Logan (BOS) B
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4431)
Duration: 1:33, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Dayton (DAY)
  • Chicago O'Hare (ORD) - Toronto Pearson (YYZ)
  • Chicago O'Hare (ORD) - Tulsa (TUL)
  • Cincinnati (CVG) - Chicago O'Hare (ORD)
  • Ronald Reagan Washington (DCA) - Boston Logan (BOS)
All Alaska Airlines flights
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