Alaska Airlines flight AS 4399: Chicago O'Hare - Atlanta via Minneapolis/Saint Paul

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri,Sun 05:00 Minneapolis/Saint Paul (MSP) 1 06:46 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:46 Effective 2026-03-08 through 2026-03-18
Codeshare flight, operated by American Airlines.(AA 3407)
Daily 06:33 Minneapolis/Saint Paul (MSP) 1 08:20 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 175 (E75) 1:47 Effective 2026-03-19 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3443)
Mon,Thu,Fri,Sun 07:05 Chicago O'Hare (ORD) 3 10:08 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:03 Effective 2026-01-08 through 2026-01-16
Codeshare flight, operated by American Airlines.(AA 3794)
Mon,Thu,Fri,Sun 07:05 Chicago O'Hare (ORD) 3 10:08 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:03 Effective 2026-01-19 through 2026-02-09
Codeshare flight, operated by American Airlines.(AA 3794)
Mon-Fri 07:10 Chicago O'Hare (ORD) 3 10:14 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 175 (E75) 2:04 Effective 2026-02-12 through 2026-02-20
Codeshare flight, operated by American Airlines.(AA 3794)
Mon-Fri,Sun 07:10 Chicago O'Hare (ORD) 3 10:14 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 175 (E75) 2:04 Effective 2026-02-22 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 3794)
Mon-Fri,Sun 07:12 Chicago O'Hare (ORD) 3 10:20 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 175 (E75) 2:08 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3794)
Tue,Wed,Sat 08:03 Chicago O'Hare (ORD) 3 11:08 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:05 Effective 2026-01-06 through 2026-01-14
Codeshare flight, operated by American Airlines.(AA 3794)
Tue,Wed,Sat 08:03 Chicago O'Hare (ORD) 3 11:08 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:05 Effective 2026-01-20 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3794)
Sat 08:05 Chicago O'Hare (ORD) 3 11:10 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:05 Operates only on 2026-01-17
Codeshare flight, operated by American Airlines.(AA 3794)
Sun 08:08 Chicago O'Hare (ORD) 3 11:12 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 175 (E75) 2:04 Operates only on 2026-02-15
Codeshare flight, operated by American Airlines.(AA 3794)
Sat 09:05 Chicago O'Hare (ORD) 3 12:09 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:04 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 3794)
Sat 09:05 Chicago O'Hare (ORD) 3 12:14 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 175 (E75) 2:09 Operates only on 2026-03-14
Codeshare flight, operated by American Airlines.(AA 3449)
Sun 11:40 Chicago O'Hare (ORD) 3 14:45 Atlanta (ATL) N
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:05 Operates only on 2026-01-18
Codeshare flight, operated by American Airlines.(AA 3794)
Sun 15:15 Atlanta (ATL) N 16:34 Chicago O'Hare (ORD) 3
AS 4399 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:19 Operates only on 2026-01-18
Codeshare flight, operated by American Airlines.(AA 3794)
Daily 20:25 Chicago O'Hare (ORD) 3 23:33 Atlanta (ATL) N
AS 4399 Non-stop Airbus A319 (319) 2:08 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 2472)


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Alaska Airlines flight AS 4399:
Chicago O'Hare - Atlanta via Minneapolis/Saint Paul
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4399
05:00
Minneapolis/Saint Paul (MSP) 1

06:46
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 3407)
Duration: 1:46, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4399
06:33
Minneapolis/Saint Paul (MSP) 1

08:20
Chicago O'Hare (ORD) 3
Effective 2026-03-19 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3443)
Duration: 1:47, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4399
07:05
Chicago O'Hare (ORD) 3

10:08
Atlanta (ATL) N
Effective 2026-01-08 through 2026-01-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:03, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4399
07:05
Chicago O'Hare (ORD) 3

10:08
Atlanta (ATL) N
Effective 2026-01-19 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:03, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4399
07:10
Chicago O'Hare (ORD) 3

10:14
Atlanta (ATL) N
Effective 2026-02-12 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:04, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4399
07:10
Chicago O'Hare (ORD) 3

10:14
Atlanta (ATL) N
Effective 2026-02-22 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:04, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4399
07:12
Chicago O'Hare (ORD) 3

10:20
Atlanta (ATL) N
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:08, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4399
08:03
Chicago O'Hare (ORD) 3

11:08
Atlanta (ATL) N
Effective 2026-01-06 through 2026-01-14
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:05, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4399
08:03
Chicago O'Hare (ORD) 3

11:08
Atlanta (ATL) N
Effective 2026-01-20 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:05, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4399
08:05
Chicago O'Hare (ORD) 3

11:10
Atlanta (ATL) N
Operates only on 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:05, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4399
08:08
Chicago O'Hare (ORD) 3

11:12
Atlanta (ATL) N
Operates only on 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:04, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4399
09:05
Chicago O'Hare (ORD) 3

12:09
Atlanta (ATL) N
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:04, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4399
09:05
Chicago O'Hare (ORD) 3

12:14
Atlanta (ATL) N
Operates only on 2026-03-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3449)
Duration: 2:09, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4399
11:40
Chicago O'Hare (ORD) 3

14:45
Atlanta (ATL) N
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:05, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4399
15:15
Atlanta (ATL) N

16:34
Chicago O'Hare (ORD) 3
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3794)
Duration: 2:19, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4399
20:25
Chicago O'Hare (ORD) 3

23:33
Atlanta (ATL) N
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2472)
Duration: 2:08, non-stop
Airbus A319 (319)
  • AS 4399 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Atlanta airport (ATL).
  • The flight runs via Minneapolis/Saint Paul (MSP).
  • The flight distance is 606 miles, or 976 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
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