Alaska Airlines
flight
AS 4157:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2026)
Duration: 3:55, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3316)
Duration: 3:54, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3316)
Duration: 3:45, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3316)
Duration: 3:48, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3316)
Duration: 3:44, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 5010)
Duration: 0:57, non-stop Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-03-10 through 2026-03-31
Mon
-
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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 2067)
Duration: 3:45, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4157
Valid until 2026-01-05
Mon
Tue
-
-
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 3390)
Duration: 1:17, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-03-14 through 2026-03-21
Mon
-
-
Tue
-
-
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 4270)
Duration: 1:26, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-03-22 through 2026-04-06
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4270)
Duration: 1:26, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-02-12 through 2026-03-06
Mon
Tue
-
-
Wed
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-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 4270)
Duration: 1:22, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-02-21 through 2026-03-07
Mon
-
-
Tue
-
-
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 4270)
Duration: 1:22, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-02-14 through 2026-02-18
Mon
-
-
Tue
-
-
Wed
Thu
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-
Fri
-
-
Sat
Sun
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-
Codeshare flight, operated by American Airlines.
(AA 4270)
Duration: 1:22, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-02-25 through 2026-03-04
Mon
-
-
Tue
-
-
Wed
Thu
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-
Fri
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-
Sat
-
-
Sun
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-
Codeshare flight, operated by American Airlines.
(AA 4270)
Duration: 1:22, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4157
Effective 2026-04-11 through 2026-05-09
Mon
-
-
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 4964)
Duration: 1:01, non-stop Canadair CRJ 700 (CR7)
This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - John Glenn Columbus (CMH)
- Chicago O'Hare (ORD) - Moline (MLI)
- Indianapolis (IND) - Phoenix Sky Harbor (PHX)
- Milwaukee (MKE) - Chicago O'Hare (ORD)
- Richmond (RIC) - Dallas Fort Worth (DFW)