Alaska Airlines
flight
AS 4555:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4555
Valid until 2026-01-01
Mon
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Tue
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Wed
Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 2920)
Duration: 2:48, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2834)
Duration: 2:38, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2847)
Duration: 2:48, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2920)
Duration: 2:38, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-09-09 through 2026-09-12
Mon
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Tue
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Wed
Thu
Fri
Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 6009)
Duration: 1:04, non-stop Embraer ERJ 145 (ER4)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-09-19 through 2026-10-03
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 6009)
Duration: 1:04, non-stop Embraer ERJ 145 (ER4)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
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-
Sun
Codeshare flight, operated by American Airlines.
(AA 2920)
Duration: 2:49, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-01-19 through 2026-02-09
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 2920)
Duration: 2:49, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-02-10 through 2026-02-11
Mon
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Tue
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 2920)
Duration: 2:47, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-02-14 through 2026-03-07
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 2920)
Duration: 2:44, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-04-18 through 2026-05-09
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 5800)
Duration: 1:09, non-stop Embraer ERJ 145 (ER4)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 512)
Duration: 2:48, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2920)
Duration: 2:42, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-01-10 through 2026-02-07
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 2920)
Duration: 2:49, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4555
Valid until 2026-01-01
Mon
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Tue
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Wed
Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 2920)
Duration: 3:00, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 2920)
Duration: 3:00, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-01-19 through 2026-02-09
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 2920)
Duration: 3:00, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-02-10 through 2026-02-11
Mon
-
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Tue
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 2920)
Duration: 3:04, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
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 1101)
Duration: 2:48, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2920)
Duration: 3:03, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2847)
Duration: 3:08, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2834)
Duration: 3:01, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2920)
Duration: 3:00, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-01-10 through 2026-02-07
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 2920)
Duration: 3:04, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4555
Effective 2026-02-12 through 2026-03-06
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 1101)
Duration: 2:41, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4555
Operates only on 2026-04-11
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 2985)
Duration: 1:38, non-stop Boeing 737-800 (738)
This flight number is listed as serving the following routes:
- Philadelphia (PHL) - Harrisburg (MDT)
- Philadelphia (PHL) - Raleigh/Durham (RDU)
- Tampa (TPA) - Chicago O'Hare (ORD)