| FLIGHT SCHEDULE | 
|---|
| Direct Codeshare Flights: | 
| Tue-Thu,Sat 
07:00 
New York John F. Kennedy (JFK) 7 
10:13 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:13 Effective 2025-06-12 through 2025-07-05 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Fri 
07:00 
New York John F. Kennedy (JFK) 7 
10:08 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:08 Effective 2025-06-13 through 2025-08-15 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Sun 
07:00 
New York John F. Kennedy (JFK) 7 
10:13 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 MAX 9 (7M9) 6:13 Effective 2025-06-15 through 2025-06-29 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Mon 
07:00 
New York John F. Kennedy (JFK) 7 
10:13 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 MAX 8 (7M8) 6:13 Effective 2025-06-16 through 2025-08-18 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Tue-Thu,Sat,Sun 
07:00 
New York John F. Kennedy (JFK) 7 
10:13 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:13 Effective 2025-07-06 through 2025-07-12 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Sun 
07:00 
New York John F. Kennedy (JFK) 7 
10:13 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 MAX 9 (7M9) 6:13 Operates only on 2025-07-13 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Tue-Thu,Sat,Sun 
07:00 
New York John F. Kennedy (JFK) 7 
10:13 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:13 Effective 2025-07-15 through 2025-07-26 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Sun 
07:00 
New York John F. Kennedy (JFK) 7 
10:13 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 MAX 9 (7M9) 6:13 Effective 2025-07-27 through 2025-08-10 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Tue-Thu,Sat 
07:00 
New York John F. Kennedy (JFK) 7 
10:13 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:13 Effective 2025-07-29 through 2025-08-16 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Tue,Sun 
07:00 
New York John F. Kennedy (JFK) 7 
10:13 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:13 Effective 2025-08-17 through 2025-08-19 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Daily 
07:20 
New York John F. Kennedy (JFK) 7 
10:27 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:07 Valid until 2025-05-06 Codeshare flight, operated by Alaska Airlines.(AS 28)  | 
| Wed 
07:20 
New York John F. Kennedy (JFK) 7 
10:27 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 MAX 9 (7M9) 6:07 Effective 2025-05-07 through 2025-05-14 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Mon,Tue,Thu-Sun 
07:20 
New York John F. Kennedy (JFK) 7 
10:27 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:07 Effective 2025-05-08 through 2025-05-13 Codeshare flight, operated by Alaska Airlines.(AS 28)  | 
| Daily 
07:20 
New York John F. Kennedy (JFK) 7 
10:39 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:19 Effective 2025-10-04 through 2026-01-06 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Daily 
07:27 
New York John F. Kennedy (JFK) 7 
10:37 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:10 Effective 2025-08-20 through 2025-10-03 Codeshare flight, operated by Alaska Airlines.(AS 21)  | 
| Mon-Sat 
16:54 
New York John F. Kennedy (JFK) 8 
20:00 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:06 Effective 2025-05-15 through 2025-05-24 Codeshare flight, operated by Alaska Airlines.(AS 31)  | 
| Sun 
16:54 
New York John F. Kennedy (JFK) 8 
20:00 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 MAX 9 (7M9) 6:06 Operates only on 2025-05-18 Codeshare flight, operated by Alaska Airlines.(AS 31)  | 
| Mon-Wed,Fri-Sun 
16:54 
New York John F. Kennedy (JFK) 8 
20:00 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:06 Effective 2025-05-25 through 2025-06-04 Codeshare flight, operated by Alaska Airlines.(AS 31)  | 
| Thu 
16:54 
New York John F. Kennedy (JFK) 8 
20:00 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 MAX 9 (7M9) 6:06 Operates only on 2025-05-29 Codeshare flight, operated by Alaska Airlines.(AS 31)  | 
| Daily 
16:54 
New York John F. Kennedy (JFK) 8 
20:00 
Seattle-Tacoma (SEA)  HA 4991 Non-stop Boeing 737 (737) 6:06 Effective 2025-06-05 through 2025-06-11 Codeshare flight, operated by Alaska Airlines.(AS 31)  | 
| Daily 
22:50 
Seattle-Tacoma (SEA)  
07:16 
Boston Logan (BOS) B HA 4991 Non-stop Boeing 737 (737) 5:26 Effective from 2026-02-12 Codeshare flight, operated by Alaska Airlines.(AS 536) The flight arrives 1 day after departure.  |