Alaska Airlines
flight
AS 4377:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4377
Effective 2025-11-02 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3344)
Duration: 1:34, non-stop Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4377
Operates only on 2025-05-04
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
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Sun
Codeshare flight, operated by American Airlines.
(AA 2978)
Duration: 1:08, non-stop Boeing 737-800 (738)
Alaska Airlines AS4377
Effective 2025-11-21 through 2025-11-28
Mon
Tue
Wed
Thu
Fri
Sat
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Sun
Codeshare flight, operated by American Airlines.
(AA 3402)
Duration: 1:48, non-stop Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4377
Effective 2025-11-29 through 2025-12-02
Mon
Tue
Wed
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Thu
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Fri
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Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3402)
Duration: 1:48, non-stop Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4377
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4091)
Duration: 1:48, non-stop Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4377
Operates only on 2025-11-22
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 6247)
Duration: 1:23, non-stop Canadair CRJ 700 (CR7)
Alaska Airlines AS4377
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4091)
Duration: 1:46, non-stop Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4377
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4091)
Duration: 1:48, non-stop Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4377
Effective 2025-07-05 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4091)
Duration: 1:50, non-stop Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4377
Operates only on 2025-11-22
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 6247)
Duration: 1:34, non-stop Canadair CRJ 700 (CR7)
Alaska Airlines AS4377
Effective 2025-05-05 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4091)
Duration: 1:50, non-stop Embraer EMB 175 (E75)
Alaska Airlines AS4377
Effective 2025-05-25 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4091)
Duration: 1:50, non-stop Embraer EMB 175 (E75)
Alaska Airlines AS4377
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 6247)
Duration: 1:40, non-stop Canadair CRJ 700 (CR7)
Alaska Airlines AS4377
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 6247)
Duration: 1:35, non-stop Canadair CRJ 700 (CR7)
Alaska Airlines AS4377
Operates only on 2025-05-24
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 4091)
Duration: 2:03, non-stop Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4377
Operates only on 2025-05-01
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 2780)
Duration: 1:09, non-stop Airbus A320 (320)
Alaska Airlines AS4377
Operates only on 2025-05-02
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 2780)
Duration: 1:09, non-stop Airbus A319 (319)
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This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - Buffalo (BUF)
- Chicago O'Hare (ORD) - Des Moines (DSM)
- Chicago O'Hare (ORD) - Harrisburg (MDT)
- Chicago O'Hare (ORD) - Syracuse (SYR)
- Dallas Fort Worth (DFW) - McAllen/Mission (MFE)
- Oklahoma City (OKC) - Dallas Fort Worth (DFW)
- Phoenix Sky Harbor (PHX) - Albuquerque (ABQ)