Alaska Airlines flight AS 4055: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 08:22 Chicago O'Hare (ORD) 3 11:01 Austin (AUS)
AS 4055 Non-stop Boeing 737-800 (738) 2:39 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 2218)
Daily 08:25 Chicago O'Hare (ORD) 3 11:05 Austin (AUS)
AS 4055 Non-stop Boeing 737-800 (738) 2:40 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 2218)
Daily 08:25 Chicago O'Hare (ORD) 3 11:06 Austin (AUS)
AS 4055 Non-stop Airbus A319 (319) 2:41 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 1121)
Daily 08:25 Chicago O'Hare (ORD) 3 11:11 Austin (AUS)
AS 4055 Non-stop Boeing 737-800 (738) 2:46 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 2218)
Daily 08:26 Chicago O'Hare (ORD) 3 11:08 Austin (AUS)
AS 4055 Non-stop Boeing 737-800 (738) 2:42 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 2218)
Mon,Thu,Fri,Sun 09:55 Chicago O'Hare (ORD) 3 13:07 Austin (AUS)
AS 4055 Non-stop Embraer EMB 175 (E75) 3:12 Effective 2026-01-08 through 2026-01-16
Codeshare flight, operated by American Airlines.(AA 4790)
Mon,Thu,Fri,Sun 09:55 Chicago O'Hare (ORD) 3 13:07 Austin (AUS)
AS 4055 Non-stop Embraer EMB 175 (E75) 3:12 Effective 2026-01-19 through 2026-02-09
Codeshare flight, operated by American Airlines.(AA 4790)
Mon-Fri,Sun 10:00 Chicago O'Hare (ORD) 3 12:57 Austin (AUS)
AS 4055 Non-stop Airbus A319 (319) 2:57 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2358)
Daily 11:50 Austin (AUS) 14:37 Chicago O'Hare (ORD) 3
AS 4055 Non-stop Airbus A319 (319) 2:47 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 1121)
Mon,Thu,Fri,Sun 13:43 Austin (AUS) 16:35 Chicago O'Hare (ORD) 3
AS 4055 Non-stop Embraer EMB 175 (E75) 2:52 Effective 2026-01-08 through 2026-01-16
Codeshare flight, operated by American Airlines.(AA 4790)
Mon,Thu,Fri,Sun 13:43 Austin (AUS) 16:35 Chicago O'Hare (ORD) 3
AS 4055 Non-stop Embraer EMB 175 (E75) 2:52 Effective 2026-01-19 through 2026-02-09
Codeshare flight, operated by American Airlines.(AA 4790)
This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4055: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4055
08:22
Chicago O'Hare (ORD) 3

11:01
Austin (AUS)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2218)
Duration: 2:39, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4055
08:25
Chicago O'Hare (ORD) 3

11:05
Austin (AUS)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2218)
Duration: 2:40, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4055
08:25
Chicago O'Hare (ORD) 3

11:06
Austin (AUS)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1121)
Duration: 2:41, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4055
08:25
Chicago O'Hare (ORD) 3

11:11
Austin (AUS)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2218)
Duration: 2:46, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4055
08:26
Chicago O'Hare (ORD) 3

11:08
Austin (AUS)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2218)
Duration: 2:42, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4055
09:55
Chicago O'Hare (ORD) 3

13:07
Austin (AUS)
Effective 2026-01-08 through 2026-01-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4790)
Duration: 3:12, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4055
09:55
Chicago O'Hare (ORD) 3

13:07
Austin (AUS)
Effective 2026-01-19 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4790)
Duration: 3:12, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4055
10:00
Chicago O'Hare (ORD) 3

12:57
Austin (AUS)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2358)
Duration: 2:57, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4055
11:50
Austin (AUS)

14:37
Chicago O'Hare (ORD) 3
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1121)
Duration: 2:47, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4055
13:43
Austin (AUS)

16:35
Chicago O'Hare (ORD) 3
Effective 2026-01-08 through 2026-01-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4790)
Duration: 2:52, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4055
13:43
Austin (AUS)

16:35
Chicago O'Hare (ORD) 3
Effective 2026-01-19 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4790)
Duration: 2:52, non-stop
Embraer EMB 175 (E75)
This flight number is listed as serving the following routes:
  • Austin (AUS) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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