KLM flight KL 6427: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Thu,Sat 06:15 San Diego (SAN) 2 13:38 Atlanta (ATL) S KL 6427 Non-stop Airbus A321 (321) 4:23 Effective 2025-06-12 through 2025-06-28 Codeshare flight, operated by Delta Air Lines.(DL 729)
Tue,Thu,Sat 06:15 San Diego (SAN) 2 13:38 Atlanta (ATL) S KL 6427 Non-stop Airbus A321 (321) 4:23 Effective 2025-07-01 through 2025-07-05 Codeshare flight, operated by Delta Air Lines.(DL 729)
Tue,Thu,Sat 06:20 San Diego (SAN) 2 13:53 Atlanta (ATL) S KL 6427 Non-stop Airbus A321 (321) 4:33 Effective 2025-07-08 through 2025-09-06 Codeshare flight, operated by Delta Air Lines.(DL 729)
Tue,Thu,Sat 06:20 San Diego (SAN) 2 13:41 Atlanta (ATL) S KL 6427 Non-stop Airbus A321 (321) 4:21 Effective 2025-09-09 through 2025-10-23 Codeshare flight, operated by Delta Air Lines.(DL 729)
Mon,Wed,Fri,Sun 11:00 San Diego (SAN) 2 18:25 Atlanta (ATL) S KL 6427 Non-stop Boeing 757-300 (753) 4:25 Effective 2025-07-07 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 725)
Mon,Wed,Fri,Sun 11:00 San Diego (SAN) 2 18:17 Atlanta (ATL) S KL 6427 Non-stop Airbus A321 (321) 4:17 Effective 2025-09-08 through 2025-10-24 Codeshare flight, operated by Delta Air Lines.(DL 725)
Sat 11:00 San Diego (SAN) 2 18:17 Atlanta (ATL) S KL 6427 Non-stop Airbus A321 (321) 4:17 Operates only on 2025-10-25 Codeshare flight, operated by Delta Air Lines.(DL 725)
Mon,Wed,Fri,Sun 11:04 San Diego (SAN) 2 18:24 Atlanta (ATL) S KL 6427 Non-stop Boeing 757-300 (753) 4:20 Effective 2025-06-08 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 725)
Daily 11:17 San Diego (SAN) 2 18:25 Atlanta (ATL) S KL 6427 Non-stop Airbus A321 (321) 4:08 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 725)
Daily 11:18 San Diego (SAN) 2 18:34 Atlanta (ATL) S KL 6427 Non-stop Boeing 757-300 (753) 4:16 Effective 2025-05-07 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 725)
Tue 14:00 San Diego (SAN) 2 21:33 Atlanta (ATL) S KL 6427 Non-stop Airbus A321 (321) 4:33 Effective 2025-06-10 through 2025-06-24 Codeshare flight, operated by Delta Air Lines.(DL 540)
Daily 15:55 Detroit (DTW) M 17:19 Louisville (SDF) KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:24 Effective 2025-12-20 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 4049)
Daily 18:04 Louisville (SDF) 19:32 Detroit (DTW) M KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:28 Effective 2025-12-20 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 4049)
Daily 18:26 Louisville (SDF) 19:54 Detroit (DTW) M KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:28 Effective 2025-10-26 through 2025-12-19 Codeshare flight, operated by Delta Air Lines.(DL 4122)
Daily 18:26 Louisville (SDF) 19:52 Detroit (DTW) M KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:26 Effective from 2026-01-06 Codeshare flight, operated by Delta Air Lines.(DL 4122)

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This flight number is listed as serving the following routes:

Louisville (SDF) - Detroit (DTW)
San Diego (SAN) - Atlanta (ATL)

All KLM flights

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KLM flight KL 6427: Multiple routes

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FLIGHT SCHEDULE

Direct Codeshare Flights:

KLM KL6427

06:15

San Diego (SAN) 2

13:38

Atlanta (ATL) S

Effective 2025-06-12 through 2025-06-28

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 729)

Duration: 4:23, non-stop
Airbus A321 (321)

KLM KL6427

06:15

San Diego (SAN) 2

13:38

Atlanta (ATL) S

Effective 2025-07-01 through 2025-07-05

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 729)

Duration: 4:23, non-stop
Airbus A321 (321)

KLM KL6427

06:20

San Diego (SAN) 2

13:53

Atlanta (ATL) S

Effective 2025-07-08 through 2025-09-06

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 729)

Duration: 4:33, non-stop
Airbus A321 (321)

KLM KL6427

06:20

San Diego (SAN) 2

13:41

Atlanta (ATL) S

Effective 2025-09-09 through 2025-10-23

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 729)

Duration: 4:21, non-stop
Airbus A321 (321)

KLM KL6427

11:00

San Diego (SAN) 2

18:25

Atlanta (ATL) S

Effective 2025-07-07 through 2025-09-07

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 725)

Duration: 4:25, non-stop
Boeing 757-300 (753)

KLM KL6427

11:00

San Diego (SAN) 2

18:17

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 725)

Duration: 4:17, non-stop
Airbus A321 (321)

KLM KL6427

11:00

San Diego (SAN) 2

18:17

Atlanta (ATL) S

Operates only on 2025-10-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 725)

Duration: 4:17, non-stop
Airbus A321 (321)

KLM KL6427

11:04

San Diego (SAN) 2

18:24

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 725)

Duration: 4:20, non-stop
Boeing 757-300 (753)

KLM KL6427

11:17

San Diego (SAN) 2

18:25

Atlanta (ATL) S

Valid until 2025-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 725)

Duration: 4:08, non-stop
Airbus A321 (321)

KLM KL6427

11:18

San Diego (SAN) 2

18:34

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 725)

Duration: 4:16, non-stop
Boeing 757-300 (753)

KLM KL6427

14:00

San Diego (SAN) 2

21:33

Atlanta (ATL) S

Effective 2025-06-10 through 2025-06-24

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 540)

Duration: 4:33, non-stop
Airbus A321 (321)

KLM KL6427

15:55

Detroit (DTW) M

17:19

Louisville (SDF)

Effective 2025-12-20 through 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4049)

Duration: 1:24, non-stop
Canadair CRJ 900 (CR9)

KLM KL6427

18:04

Louisville (SDF)

19:32

Detroit (DTW) M

Effective 2025-12-20 through 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4049)

Duration: 1:28, non-stop
Canadair CRJ 900 (CR9)

KLM KL6427

18:26

Louisville (SDF)

19:54

Detroit (DTW) M

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4122)

Duration: 1:28, non-stop
Canadair CRJ 900 (CR9)

KLM KL6427

18:26

Louisville (SDF)

19:52

Detroit (DTW) M

Effective from 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4122)

Duration: 1:26, non-stop
Canadair CRJ 900 (CR9)

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Parallax here -

This flight number is listed as serving the following routes:

Louisville (SDF) - Detroit (DTW)
San Diego (SAN) - Atlanta (ATL)

All KLM flights

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