Alaska Airlines
flight
AS 4397:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3691)
Duration: 1:32, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:32, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:34, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4397
Valid until 2026-01-03
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:30, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4397
Valid until 2026-01-05
Mon
Tue
Wed
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Thu
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Fri
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Sat
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-
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:30, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-02-12 through 2026-02-14
Mon
-
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Tue
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Wed
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Thu
Fri
Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:30, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-02-16 through 2026-02-17
Mon
Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:33, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4397
Operates only on 2026-02-18
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:29, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4397
Operates only on 2026-02-19
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:31, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-02-20 through 2026-02-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:30, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-02-22 through 2026-03-01
Mon
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Tue
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Wed
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Thu
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Fri
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-
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:30, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4397
Operates only on 2026-03-02
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:30, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-03-03 through 2026-03-07
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:30, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:30, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:30, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4397
Valid until 2026-01-05
Mon
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:50, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4397
Valid until 2026-01-03
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:50, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-02-12 through 2026-02-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:50, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4397
Operates only on 2026-02-18
Mon
-
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:53, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4397
Operates only on 2026-02-19
Mon
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Tue
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Wed
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-
Thu
Fri
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-
Sat
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-
Sun
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Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:50, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-02-20 through 2026-02-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:50, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-02-22 through 2026-03-01
Mon
-
-
Tue
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-
Wed
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Thu
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Fri
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-
Sat
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-
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:56, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4397
Operates only on 2026-03-02
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:56, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-03-03 through 2026-03-07
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:50, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:54, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-02-16 through 2026-02-17
Mon
Tue
Wed
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-
Thu
-
-
Fri
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-
Sat
-
-
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:54, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:40, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:45, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:43, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 2:23, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:12, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 2:30, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4397
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2157)
Duration: 1:22, non-stop Airbus A320 (320)
This flight number is listed as serving the following routes:
- Cleveland (CLE) - Chicago O'Hare (ORD)
- Dallas Fort Worth (DFW) - Houston George Bush (IAH)
- Minneapolis/Saint Paul (MSP) - Dallas Fort Worth (DFW)
- New Orleans (MSY) - Dallas Fort Worth (DFW)