Alaska Airlines flight AS 4259: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 05:00 Des Moines (DSM) 06:10 Chicago O'Hare (ORD) 3
AS 4259 Non-stop Embraer EMB 175 (E75) 1:10 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 4390)
Sat 08:00 Chicago O'Hare (ORD) 3 11:33 Jacksonville (JAX)
AS 4259 Non-stop Embraer EMB 175 (E75) 2:33 Effective 2026-03-14 through 2026-04-04
Codeshare flight, operated by American Airlines.(AA 3350)
Daily 17:30 Chicago O'Hare (ORD) 3 20:58 Jacksonville (JAX)
AS 4259 Non-stop Embraer EMB 175 (E75) 2:28 Effective 2026-01-06 through 2026-02-05
Codeshare flight, operated by American Airlines.(AA 3350)
Mon-Wed,Sat,Sun 17:30 Chicago O'Hare (ORD) 3 20:58 Jacksonville (JAX)
AS 4259 Non-stop Embraer EMB 175 (E75) 2:28 Effective 2026-02-07 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3350)
Daily 18:35 Philadelphia (PHL) 21:26 West Palm Beach (PBI)
AS 4259 Non-stop Boeing 737-800 (738) 2:51 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 456)
Daily 19:15 Chicago O'Hare (ORD) 3 22:52 Jacksonville (JAX)
AS 4259 Non-stop Embraer EMB 175 (E75) 2:37 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3350)
Daily 21:05 Philadelphia (PHL) 23:44 West Palm Beach (PBI)
AS 4259 Non-stop Airbus A320 (320) 2:39 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 456)
This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4259: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4259
05:00
Des Moines (DSM)

06:10
Chicago O'Hare (ORD) 3
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4390)
Duration: 1:10, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4259
08:00
Chicago O'Hare (ORD) 3

11:33
Jacksonville (JAX)
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3350)
Duration: 2:33, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4259
17:30
Chicago O'Hare (ORD) 3

20:58
Jacksonville (JAX)
Effective 2026-01-06 through 2026-02-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3350)
Duration: 2:28, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4259
17:30
Chicago O'Hare (ORD) 3

20:58
Jacksonville (JAX)
Effective 2026-02-07 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3350)
Duration: 2:28, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4259
18:35
Philadelphia (PHL)

21:26
West Palm Beach (PBI)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 456)
Duration: 2:51, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4259
19:15
Chicago O'Hare (ORD) 3

22:52
Jacksonville (JAX)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3350)
Duration: 2:37, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4259
21:05
Philadelphia (PHL)

23:44
West Palm Beach (PBI)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 456)
Duration: 2:39, non-stop
Airbus A320 (320)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Jacksonville (JAX)
  • Des Moines (DSM) - Chicago O'Hare (ORD)
  • Philadelphia (PHL) - West Palm Beach (PBI)
All Alaska Airlines flights
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