KLM flight KL 6437: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 13:25 Atlanta (ATL) S 14:35 Chicago O'Hare (ORD) 5 KL 6437 Non-stop Airbus A321 (321) 2:10 Effective 2025-06-14 through 2025-06-28 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Mon,Tue,Thu,Fri,Sun 13:28 Atlanta (ATL) S 14:30 Chicago O'Hare (ORD) 5 KL 6437 Non-stop Boeing 737-800 (738) 2:02 Valid until 2025-05-05 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Daily 13:35 Seattle-Tacoma (SEA) 14:39 Portland (PDX) KL 6437 Non-stop Embraer EMB 175 (E7W) 1:04 Effective 2025-11-02 through 2025-12-19 Codeshare flight, operated by Delta Air Lines.(DL 4065)
Mon-Fri,Sun 13:42 Atlanta (ATL) S 14:47 Chicago O'Hare (ORD) 5 KL 6437 Non-stop Boeing 737-900 (739) 2:05 Effective 2025-05-23 through 2025-06-06 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Sat 14:00 Atlanta (ATL) S 15:06 Chicago O'Hare (ORD) 5 KL 6437 Non-stop Airbus A320 (320) 2:06 Effective 2025-05-10 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Mon,Wed,Fri,Sun 15:15 Portland (PDX) 16:24 Seattle-Tacoma (SEA) KL 6437 Non-stop Embraer EMB 175 (E7W) 1:09 Effective 2025-10-26 through 2025-12-19 Codeshare flight, operated by Delta Air Lines.(DL 4065)
Daily 15:25 Seattle-Tacoma (SEA) 16:24 Portland (PDX) KL 6437 Non-stop Embraer EMB 175 (E7W) 0:59 Effective 2025-12-20 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 4065)
Mon-Fri,Sun 15:30 Chicago O'Hare (ORD) 5 18:25 Atlanta (ATL) S KL 6437 Non-stop Boeing 737-800 (738) 1:55 Valid until 2025-05-05 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Tue,Sat 15:30 Chicago O'Hare (ORD) 5 18:25 Atlanta (ATL) S KL 6437 Non-stop Boeing 737-900 (739) 1:55 Effective 2025-05-03 through 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Daily 15:35 Chicago O'Hare (ORD) 5 18:45 Atlanta (ATL) S KL 6437 Non-stop Boeing 737-900 (739) 2:10 Effective 2025-07-07 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Daily 15:35 Chicago O'Hare (ORD) 5 18:42 Atlanta (ATL) S KL 6437 Non-stop Boeing 737-900 (739) 2:07 Effective 2025-09-08 through 2025-10-24 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Mon-Fri,Sun 15:40 Chicago O'Hare (ORD) 5 18:49 Atlanta (ATL) S KL 6437 Non-stop Airbus A321 (321) 2:09 Effective 2025-06-08 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Sun 15:42 Chicago O'Hare (ORD) 5 18:49 Atlanta (ATL) S KL 6437 Non-stop Boeing 757 (757) 2:07 Operates only on 2025-05-18 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Sat 15:45 Chicago O'Hare (ORD) 5 18:54 Atlanta (ATL) S KL 6437 Non-stop Airbus A321 (321) 2:09 Effective 2025-06-14 through 2025-07-05 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Mon-Fri,Sun 15:57 Chicago O'Hare (ORD) 5 19:04 Atlanta (ATL) S KL 6437 Non-stop Boeing 737-900 (739) 2:07 Effective 2025-05-07 through 2025-05-16 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Mon-Fri,Sun 15:57 Chicago O'Hare (ORD) 5 19:04 Atlanta (ATL) S KL 6437 Non-stop Boeing 737-900 (739) 2:07 Effective 2025-05-19 through 2025-06-06 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Sat 16:25 Chicago O'Hare (ORD) 5 19:27 Atlanta (ATL) S KL 6437 Non-stop Airbus A320 (320) 2:02 Effective 2025-05-10 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 1477)
Mon,Wed,Fri,Sun 17:10 Portland (PDX) 18:17 Seattle-Tacoma (SEA) KL 6437 Non-stop Embraer EMB 175 (E7W) 1:07 Effective 2025-12-21 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 4065)

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This flight number is listed as serving the following routes:

Atlanta (ATL) - Chicago O'Hare (ORD)
Portland (PDX) - Seattle-Tacoma (SEA)

All KLM flights

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KLM flight KL 6437: Multiple routes

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FLIGHT SCHEDULE

Direct Codeshare Flights:

KLM KL6437

13:25

Atlanta (ATL) S

14:35

Chicago O'Hare (ORD) 5

Effective 2025-06-14 through 2025-06-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1477)

Duration: 2:10, non-stop
Airbus A321 (321)

KLM KL6437

13:28

Atlanta (ATL) S

14:30

Chicago O'Hare (ORD) 5

Valid until 2025-05-05

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1477)

Duration: 2:02, non-stop
Boeing 737-800 (738)

KLM KL6437

13:35

Seattle-Tacoma (SEA)

14:39

Portland (PDX)

Effective 2025-11-02 through 2025-12-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4065)

Duration: 1:04, non-stop
Embraer EMB 175 (E7W)

KLM KL6437

13:42

Atlanta (ATL) S

14:47

Chicago O'Hare (ORD) 5

Effective 2025-05-23 through 2025-06-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1477)

Duration: 2:05, non-stop
Boeing 737-900 (739)

KLM KL6437

14:00

Atlanta (ATL) S

15:06

Chicago O'Hare (ORD) 5

Effective 2025-05-10 through 2025-06-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1477)

Duration: 2:06, non-stop
Airbus A320 (320)

KLM KL6437

15:15

Portland (PDX)

16:24

Seattle-Tacoma (SEA)

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

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4065)

Duration: 1:09, non-stop
Embraer EMB 175 (E7W)

KLM KL6437

15:25

Seattle-Tacoma (SEA)

16:24

Portland (PDX)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4065)

Duration: 0:59, non-stop
Embraer EMB 175 (E7W)

KLM KL6437

15:30

Chicago O'Hare (ORD) 5

18:25

Atlanta (ATL) S

Valid until 2025-05-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1477)

Duration: 1:55, non-stop
Boeing 737-800 (738)

KLM KL6437

15:30

Chicago O'Hare (ORD) 5

18:25

Atlanta (ATL) S

Effective 2025-05-03 through 2025-05-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1477)

Duration: 1:55, non-stop
Boeing 737-900 (739)

KLM KL6437

15:35

Chicago O'Hare (ORD) 5

18:45

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 1477)

Duration: 2:10, non-stop
Boeing 737-900 (739)

KLM KL6437

15:35

Chicago O'Hare (ORD) 5

18:42

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 1477)

Duration: 2:07, non-stop
Boeing 737-900 (739)

KLM KL6437

15:40

Chicago O'Hare (ORD) 5

18:49

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 1477)

Duration: 2:09, non-stop
Airbus A321 (321)

KLM KL6437

15:42

Chicago O'Hare (ORD) 5

18:49

Atlanta (ATL) S

Operates only on 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1477)

Duration: 2:07, non-stop
Boeing 757 (757)

KLM KL6437

15:45

Chicago O'Hare (ORD) 5

18:54

Atlanta (ATL) S

Effective 2025-06-14 through 2025-07-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1477)

Duration: 2:09, non-stop
Airbus A321 (321)

KLM KL6437

15:57

Chicago O'Hare (ORD) 5

19:04

Atlanta (ATL) S

Effective 2025-05-07 through 2025-05-16

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1477)

Duration: 2:07, non-stop
Boeing 737-900 (739)

KLM KL6437

15:57

Chicago O'Hare (ORD) 5

19:04

Atlanta (ATL) S

Effective 2025-05-19 through 2025-06-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1477)

Duration: 2:07, non-stop
Boeing 737-900 (739)

KLM KL6437

16:25

Chicago O'Hare (ORD) 5

19:27

Atlanta (ATL) S

Effective 2025-05-10 through 2025-06-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1477)

Duration: 2:02, non-stop
Airbus A320 (320)

KLM KL6437

17:10

Portland (PDX)

18:17

Seattle-Tacoma (SEA)

Effective 2025-12-21 through 2026-01-05

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4065)

Duration: 1:07, non-stop
Embraer EMB 175 (E7W)

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This flight number is listed as serving the following routes:

Atlanta (ATL) - Chicago O'Hare (ORD)
Portland (PDX) - Seattle-Tacoma (SEA)

All KLM flights

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