KLM flight KL 6631: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 08:10 Atlanta (ATL) S 08:09 Huntsville (HSV) KL 6631 Non-stop Boeing 717 (717) 0:59 Operates only on 2025-10-25 Codeshare flight, operated by Delta Air Lines.(DL 3036)
Mon-Fri,Sun 09:24 Huntsville (HSV) 11:25 Atlanta (ATL) S KL 6631 Non-stop Airbus A320 (320) 1:01 Valid until 2025-05-02 Codeshare flight, operated by Delta Air Lines.(DL 3036)
Mon,Tue 09:24 Huntsville (HSV) 11:25 Atlanta (ATL) S KL 6631 Non-stop Airbus A320 (320) 1:01 Effective 2025-05-05 through 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 3036)
Sat 09:34 Huntsville (HSV) 11:35 Atlanta (ATL) S KL 6631 Non-stop Boeing 717 (717) 1:01 Valid until 2025-05-03 Codeshare flight, operated by Delta Air Lines.(DL 3036)
Sat 09:55 Huntsville (HSV) 11:56 Atlanta (ATL) S KL 6631 Non-stop Boeing 717 (717) 1:01 Effective 2025-07-12 through 2025-08-09 Codeshare flight, operated by Delta Air Lines.(DL 1708)
Daily 10:00 Huntsville (HSV) 12:04 Atlanta (ATL) S KL 6631 Non-stop Boeing 717 (717) 1:04 Effective 2025-06-08 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 1708)
Daily 10:09 Huntsville (HSV) 12:06 Atlanta (ATL) S KL 6631 Non-stop Boeing 717 (717) 0:57 Effective 2025-05-07 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 1708)
Mon-Fri,Sun 10:30 Huntsville (HSV) 12:31 Atlanta (ATL) S KL 6631 Non-stop Boeing 717 (717) 1:01 Effective 2025-07-07 through 2025-08-15 Codeshare flight, operated by Delta Air Lines.(DL 1708)
Daily 10:30 Huntsville (HSV) 12:31 Atlanta (ATL) S KL 6631 Non-stop Boeing 717 (717) 1:01 Effective 2025-08-16 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 1708)
Daily 10:30 Huntsville (HSV) 12:33 Atlanta (ATL) S KL 6631 Non-stop Boeing 717 (717) 1:03 Effective 2025-09-08 through 2025-10-24 Codeshare flight, operated by Delta Air Lines.(DL 1708)
Daily 11:20 Austin (AUS) 16:04 New York John F. Kennedy (JFK) 4 KL 6631 Non-stop Boeing 737-900 (739) 3:44 Effective 2025-10-26 through 2025-12-19 Codeshare flight, operated by Delta Air Lines.(DL 1406)
Daily 11:20 Austin (AUS) 16:08 New York John F. Kennedy (JFK) 4 KL 6631 Non-stop Boeing 737-900 (739) 3:48 Effective from 2026-01-06 Codeshare flight, operated by Delta Air Lines.(DL 1406)
Mon,Tue,Sat,Sun 12:30 Austin (AUS) 17:23 New York John F. Kennedy (JFK) 4 KL 6631 Non-stop Boeing 737-900 (739) 3:53 Effective 2025-12-20 through 2025-12-23 Codeshare flight, operated by Delta Air Lines.(DL 1406)
Mon,Sun 12:30 Austin (AUS) 17:23 New York John F. Kennedy (JFK) 4 KL 6631 Non-stop Boeing 737-900 (739) 3:53 Effective 2026-01-04 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 1406)
Daily 12:59 Austin (AUS) 17:54 New York John F. Kennedy (JFK) 4 KL 6631 Non-stop Airbus A320 (320) 3:55 Effective 2025-12-24 through 2026-01-03 Codeshare flight, operated by Delta Air Lines.(DL 1406)
Sun 14:21 Atlanta (ATL) S 14:15 Huntsville (HSV) KL 6631 Non-stop Boeing 717 (717) 0:54 Operates only on 2025-05-04 Codeshare flight, operated by Delta Air Lines.(DL 2373)

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This flight number is listed as serving the following routes:

Austin (AUS) - New York John F. Kennedy (JFK)
Huntsville (HSV) - Atlanta (ATL)

All KLM flights

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KLM flight KL 6631: Multiple routes

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FLIGHT SCHEDULE

Direct Codeshare Flights:

KLM KL6631

08:10

Atlanta (ATL) S

08:09

Huntsville (HSV)

Operates only on 2025-10-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 3036)

Duration: 0:59, non-stop
Boeing 717 (717)

KLM KL6631

09:24

Huntsville (HSV)

11:25

Atlanta (ATL) S

Valid until 2025-05-02

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3036)

Duration: 1:01, non-stop
Airbus A320 (320)

KLM KL6631

09:24

Huntsville (HSV)

11:25

Atlanta (ATL) S

Effective 2025-05-05 through 2025-05-06

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 3036)

Duration: 1:01, non-stop
Airbus A320 (320)

KLM KL6631

09:34

Huntsville (HSV)

11:35

Atlanta (ATL) S

Valid until 2025-05-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 3036)

Duration: 1:01, non-stop
Boeing 717 (717)

KLM KL6631

09:55

Huntsville (HSV)

11:56

Atlanta (ATL) S

Effective 2025-07-12 through 2025-08-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1708)

Duration: 1:01, non-stop
Boeing 717 (717)

KLM KL6631

10:00

Huntsville (HSV)

12:04

Atlanta (ATL) S

Effective 2025-06-08 through 2025-07-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1708)

Duration: 1:04, non-stop
Boeing 717 (717)

KLM KL6631

10:09

Huntsville (HSV)

12:06

Atlanta (ATL) S

Effective 2025-05-07 through 2025-06-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1708)

Duration: 0:57, non-stop
Boeing 717 (717)

KLM KL6631

10:30

Huntsville (HSV)

12:31

Atlanta (ATL) S

Effective 2025-07-07 through 2025-08-15

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1708)

Duration: 1:01, non-stop
Boeing 717 (717)

KLM KL6631

10:30

Huntsville (HSV)

12:31

Atlanta (ATL) S

Effective 2025-08-16 through 2025-09-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1708)

Duration: 1:01, non-stop
Boeing 717 (717)

KLM KL6631

10:30

Huntsville (HSV)

12:33

Atlanta (ATL) S

Effective 2025-09-08 through 2025-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1708)

Duration: 1:03, non-stop
Boeing 717 (717)

KLM KL6631

11:20

Austin (AUS)

16:04

New York John F. Kennedy (JFK) 4

Effective 2025-10-26 through 2025-12-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1406)

Duration: 3:44, non-stop
Boeing 737-900 (739)

KLM KL6631

11:20

Austin (AUS)

16:08

New York John F. Kennedy (JFK) 4

Effective from 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1406)

Duration: 3:48, non-stop
Boeing 737-900 (739)

KLM KL6631

12:30

Austin (AUS)

17:23

New York John F. Kennedy (JFK) 4

Effective 2025-12-20 through 2025-12-23

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1406)

Duration: 3:53, non-stop
Boeing 737-900 (739)

KLM KL6631

12:30

Austin (AUS)

17:23

New York John F. Kennedy (JFK) 4

Effective 2026-01-04 through 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1406)

Duration: 3:53, non-stop
Boeing 737-900 (739)

KLM KL6631

12:59

Austin (AUS)

17:54

New York John F. Kennedy (JFK) 4

Effective 2025-12-24 through 2026-01-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1406)

Duration: 3:55, non-stop
Airbus A320 (320)

KLM KL6631

14:21

Atlanta (ATL) S

14:15

Huntsville (HSV)

Operates only on 2025-05-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2373)

Duration: 0:54, non-stop
Boeing 717 (717)

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Parallax here -

This flight number is listed as serving the following routes:

Austin (AUS) - New York John F. Kennedy (JFK)
Huntsville (HSV) - Atlanta (ATL)

All KLM flights

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- CACHE: False - LANG: en - IS_EU: False