Hawaiian Airlines
flight
HA 6604:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Hawaiian Airlines HA6604
Valid until 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 372)
Duration: 4:10, non-stop Boeing 737 (737)
Direct Codeshare Flights:
Hawaiian Airlines HA6604
Effective 2026-03-11 through 2026-03-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 2367)
Duration: 0:59, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Hawaiian Airlines HA6604
Effective 2026-03-18 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 518)
Duration: 0:57, non-stop Boeing 737 (737)
Direct Codeshare Flights:
Hawaiian Airlines HA6604
Effective 2026-01-08 through 2026-02-06
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by Alaska Airlines.
(AS 372)
Duration: 4:07, non-stop Boeing 737 (737)
Direct Codeshare Flights:
Hawaiian Airlines HA6604
Effective 2026-01-11 through 2026-02-08
Mon
-
-
Tue
-
-
Wed
-
-
Thu
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-
Fri
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-
Sat
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-
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 372)
Duration: 4:07, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Hawaiian Airlines HA6604
Operates only on 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
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-
Fri
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-
Sat
-
-
Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 372)
Duration: 4:07, non-stop Boeing 737 MAX 9 (7M9)
This flight number is listed as serving the following routes:
- Seattle-Tacoma (SEA) - Austin (AUS)
- Seattle-Tacoma (SEA) - Pasco (PSC)