Alaska Airlines
flight
AS 4435:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-04-11 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2159)
Duration: 1:42, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3722)
Duration: 2:25, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3731)
Duration: 2:27, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-04-07 through 2026-04-10
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
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Codeshare flight, operated by American Airlines.
(AA 4481)
Duration: 1:30, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3731)
Duration: 1:49, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-03-30 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 1252)
Duration: 1:51, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-02-13 through 2026-02-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 4625)
Duration: 1:35, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-02-22 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4625)
Duration: 1:35, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-01-10 through 2026-02-07
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 3975)
Duration: 1:36, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4435
Operates only on 2026-02-12
Mon
-
-
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 4625)
Duration: 1:35, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-01-07 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 3975)
Duration: 1:36, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-01-19 through 2026-02-10
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 3975)
Duration: 1:36, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Operates only on 2026-02-11
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 3975)
Duration: 1:36, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4435
Operates only on 2026-01-06
Mon
-
-
Tue
Wed
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-
Thu
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-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2975)
Duration: 2:04, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4435
Operates only on 2026-02-15
Mon
-
-
Tue
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-
Wed
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-
Thu
-
-
Fri
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-
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 4625)
Duration: 1:35, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Operates only on 2026-01-18
Mon
-
-
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 2975)
Duration: 2:04, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4435
Valid until 2026-01-05
Mon
Tue
Wed
-
-
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4625)
Duration: 1:42, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Operates only on 2026-01-02
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 4625)
Duration: 1:42, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-05-21 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3722)
Duration: 2:38, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3731)
Duration: 2:06, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3608)
Duration: 1:41, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-04-07 through 2026-04-10
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 4481)
Duration: 1:50, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3731)
Duration: 1:59, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-03-05 through 2026-03-07
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2898)
Duration: 3:28, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-03-09 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2898)
Duration: 3:35, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-03-21 through 2026-04-04
Mon
-
-
Tue
-
-
Wed
-
-
Thu
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-
Fri
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-
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2898)
Duration: 3:35, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4435
Operates only on 2026-03-08
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 2898)
Duration: 3:40, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4435
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3731)
Duration: 2:18, non-stop Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
- Baltimore (BWI) - Chicago O'Hare (ORD)
- Boston Logan (BOS) - Ronald Reagan Washington (DCA)
- Chicago O'Hare (ORD) - Greenville/Spartanburg (GSP)
- Chicago O'Hare (ORD) - New Orleans (MSY)
- Chicago O'Hare (ORD) - Pittsburgh (PIT)
- Chicago O'Hare (ORD) - Toronto Pearson (YYZ)
- Miami (MIA) - Dallas Fort Worth (DFW)