Alaska Airlines
flight
AS 4255:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4255
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 6413)
Duration: 2:16, non-stop Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4255
Valid until 2026-01-05
Mon
Tue
Wed
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Thu
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Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4442)
Duration: 3:19, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4255
Operates only on 2026-01-01
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 4442)
Duration: 3:19, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4255
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4442)
Duration: 3:11, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4255
Operates only on 2026-01-06
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 4442)
Duration: 3:41, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4255
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1898)
Duration: 3:03, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4255
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1822)
Duration: 3:11, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4255
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1332)
Duration: 3:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4255
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1898)
Duration: 3:09, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4255
Valid until 2026-01-05
Mon
Tue
Wed
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Thu
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Fri
Sat
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-
Sun
Codeshare flight, operated by American Airlines.
(AA 4442)
Duration: 3:06, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4255
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 4442)
Duration: 3:06, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4255
Operates only on 2026-01-01
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 4442)
Duration: 3:06, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4255
Effective 2026-03-05 through 2026-03-07
Mon
-
-
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 4443)
Duration: 3:07, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4255
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 4440)
Duration: 3:14, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4255
Effective 2026-03-14 through 2026-04-04
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
Sun
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Codeshare flight, operated by American Airlines.
(AA 4440)
Duration: 3:14, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4255
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4442)
Duration: 3:12, non-stop Embraer EMB 175 (E75)
This flight number is listed as serving the following routes:
- Oklahoma City (OKC) - Chicago O'Hare (ORD)
- Philadelphia (PHL) - Key West (EYW)