Alaska Airlines flight AS 4139: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri 06:00 Milwaukee (MKE) 07:20 Chicago O'Hare (ORD) 3
AS 4139 Non-stop Canadair CRJ 700 (CR7) 1:20 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4998)
Daily 06:11 Wilkes-Barre/Scranton (AVP) 07:30 Chicago O'Hare (ORD) 3
AS 4139 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:19 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3587)
Mon-Fri,Sun 07:30 Milwaukee (MKE) 08:43 Chicago O'Hare (ORD) 3
AS 4139 Non-stop Canadair CRJ 700 (CR7) 1:13 Effective 2026-03-08 through 2026-03-18
Codeshare flight, operated by American Airlines.(AA 4906)
Sat 07:53 Milwaukee (MKE) 09:10 Chicago O'Hare (ORD) 3
AS 4139 Non-stop Canadair CRJ 700 (CR7) 1:17 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 6372)
Mon,Thu,Fri 08:42 Milwaukee (MKE) 09:59 Chicago O'Hare (ORD) 3
AS 4139 Non-stop Canadair CRJ 700 (CR7) 1:17 Effective 2026-02-12 through 2026-02-20
Codeshare flight, operated by American Airlines.(AA 6372)
Mon,Thu,Fri,Sun 08:42 Milwaukee (MKE) 09:59 Chicago O'Hare (ORD) 3
AS 4139 Non-stop Canadair CRJ 700 (CR7) 1:17 Effective 2026-02-22 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 6372)
Daily 09:51 Philadelphia (PHL) F 11:19 Burlington (BTV)
AS 4139 Non-stop Canadair CRJ 900 (CR9) 1:28 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 5326)
Daily 10:25 Philadelphia (PHL) F 12:05 Burlington (BTV)
AS 4139 Non-stop Canadair CRJ 900 (CR9) 1:40 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 5326)
Mon-Fri,Sun 16:59 Chicago O'Hare (ORD) 3 17:53 Milwaukee (MKE)
AS 4139 Non-stop Canadair CRJ 700 (CR7) 0:54 Effective 2026-03-19 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 6248)
Sat 18:10 Chicago O'Hare (ORD) 3 19:05 Milwaukee (MKE)
AS 4139 Non-stop Canadair CRJ 700 (CR7) 0:55 Effective 2026-03-14 through 2026-04-04
Codeshare flight, operated by American Airlines.(AA 6248)
Daily 18:50 Dallas Fort Worth (DFW) 20:07 Little Rock (LIT)
AS 4139 Non-stop Canadair CRJ 900 (CR9) 1:17 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 5302)
Daily 18:50 Dallas Fort Worth (DFW) 20:06 Little Rock (LIT)
AS 4139 Non-stop Embraer EMB 175 (E75) 1:16 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 3631)
Daily 20:23 Little Rock (LIT) 21:50 Dallas Fort Worth (DFW)
AS 4139 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 3631)
Daily 20:27 Little Rock (LIT) 21:50 Dallas Fort Worth (DFW)
AS 4139 Non-stop Canadair CRJ 900 (CR9) 1:23 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 5302)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4139: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4139
06:00
Milwaukee (MKE)

07:20
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4998)
Duration: 1:20, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4139
06:11
Wilkes-Barre/Scranton (AVP)

07:30
Chicago O'Hare (ORD) 3
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3587)
Duration: 2:19, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4139
07:30
Milwaukee (MKE)

08:43
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-03-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4906)
Duration: 1:13, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4139
07:53
Milwaukee (MKE)

09:10
Chicago O'Hare (ORD) 3
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6372)
Duration: 1:17, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4139
08:42
Milwaukee (MKE)

09:59
Chicago O'Hare (ORD) 3
Effective 2026-02-12 through 2026-02-20
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6372)
Duration: 1:17, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4139
08:42
Milwaukee (MKE)

09:59
Chicago O'Hare (ORD) 3
Effective 2026-02-22 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6372)
Duration: 1:17, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4139
09:51
Philadelphia (PHL) F

11:19
Burlington (BTV)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5326)
Duration: 1:28, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4139
10:25
Philadelphia (PHL) F

12:05
Burlington (BTV)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5326)
Duration: 1:40, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4139
16:59
Chicago O'Hare (ORD) 3

17:53
Milwaukee (MKE)
Effective 2026-03-19 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6248)
Duration: 0:54, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4139
18:10
Chicago O'Hare (ORD) 3

19:05
Milwaukee (MKE)
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6248)
Duration: 0:55, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4139
18:50
Dallas Fort Worth (DFW)

20:07
Little Rock (LIT)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5302)
Duration: 1:17, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4139
18:50
Dallas Fort Worth (DFW)

20:06
Little Rock (LIT)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3631)
Duration: 1:16, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4139
20:23
Little Rock (LIT)

21:50
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 3631)
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4139
20:27
Little Rock (LIT)

21:50
Dallas Fort Worth (DFW)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5302)
Duration: 1:23, non-stop
Canadair CRJ 900 (CR9)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Milwaukee (MKE)
  • Little Rock (LIT) - Dallas Fort Worth (DFW)
  • Philadelphia (PHL) - Burlington (BTV)
  • Wilkes-Barre/Scranton (AVP) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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