KLM flight KL 6821: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 05:05 Sioux Falls (FSD) 08:39 Atlanta (ATL) S KL 6821 Non-stop Airbus A319 (319) 2:34 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 1237)
Daily 05:15 Sioux Falls (FSD) 08:44 Atlanta (ATL) S KL 6821 Non-stop Airbus A319 (319) 2:29 Effective 2025-06-08 through 2025-06-29 Codeshare flight, operated by Delta Air Lines.(DL 1237)
Tue,Thu-Sun 05:15 Sioux Falls (FSD) 08:44 Atlanta (ATL) S KL 6821 Non-stop Airbus A319 (319) 2:29 Effective 2025-07-01 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 1237)
Daily 05:25 Sioux Falls (FSD) 08:59 Atlanta (ATL) S KL 6821 Non-stop Airbus A319 (319) 2:34 Effective 2025-07-07 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 1237)
Daily 05:25 Sioux Falls (FSD) 09:04 Atlanta (ATL) S KL 6821 Non-stop Airbus A320 (320) 2:39 Effective 2025-09-08 through 2025-10-25 Codeshare flight, operated by Delta Air Lines.(DL 1237)
Wed 05:26 Sioux Falls (FSD) 08:55 Atlanta (ATL) S KL 6821 Non-stop Airbus A319 (319) 2:29 Operates only on 2025-07-02 Codeshare flight, operated by Delta Air Lines.(DL 1237)
Daily 05:27 Sioux Falls (FSD) 09:03 Atlanta (ATL) S KL 6821 Non-stop Airbus A319 (319) 2:36 Effective 2025-05-07 through 2025-05-19 Codeshare flight, operated by Delta Air Lines.(DL 1237)
Tue 05:27 Sioux Falls (FSD) 09:03 Atlanta (ATL) S KL 6821 Non-stop Airbus A320 (320) 2:36 Operates only on 2025-05-20 Codeshare flight, operated by Delta Air Lines.(DL 1237)
Daily 05:27 Sioux Falls (FSD) 09:03 Atlanta (ATL) S KL 6821 Non-stop Airbus A319 (319) 2:36 Effective 2025-05-21 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 1237)
Mon 05:27 Sioux Falls (FSD) 08:56 Atlanta (ATL) S KL 6821 Non-stop Airbus A319 (319) 2:29 Operates only on 2025-06-30 Codeshare flight, operated by Delta Air Lines.(DL 1237)
Daily 12:20 Lansing (LAN) 13:13 Detroit (DTW) M KL 6821 Non-stop Canadair CRJ 900 (CR9) 0:53 Effective 2025-10-26 through 2025-12-19 Codeshare flight, operated by Delta Air Lines.(DL 3687)
Daily 12:20 Lansing (LAN) 13:15 Detroit (DTW) M KL 6821 Non-stop Canadair CRJ 900 (CR9) 0:55 Effective from 2026-01-06 Codeshare flight, operated by Delta Air Lines.(DL 3687)
Daily 14:09 Lansing (LAN) 15:01 Detroit (DTW) M KL 6821 Non-stop Canadair CRJ 900 (CR9) 0:52 Effective 2025-12-20 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 3959)

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This flight number is listed as serving the following routes:

Lansing (LAN) - Detroit (DTW)
Sioux Falls (FSD) - Atlanta (ATL)

All KLM flights

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KLM flight KL 6821: Multiple routes

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FLIGHT SCHEDULE

Direct Codeshare Flights:

KLM KL6821

05:05

Sioux Falls (FSD)

08:39

Atlanta (ATL) S

Valid until 2025-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1237)

Duration: 2:34, non-stop
Airbus A319 (319)

KLM KL6821

05:15

Sioux Falls (FSD)

08:44

Atlanta (ATL) S

Effective 2025-06-08 through 2025-06-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1237)

Duration: 2:29, non-stop
Airbus A319 (319)

KLM KL6821

05:15

Sioux Falls (FSD)

08:44

Atlanta (ATL) S

Effective 2025-07-01 through 2025-07-06

Mon
-

Tue

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1237)

Duration: 2:29, non-stop
Airbus A319 (319)

KLM KL6821

05:25

Sioux Falls (FSD)

08:59

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 1237)

Duration: 2:34, non-stop
Airbus A319 (319)

KLM KL6821

05:25

Sioux Falls (FSD)

09:04

Atlanta (ATL) S

Effective 2025-09-08 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1237)

Duration: 2:39, non-stop
Airbus A320 (320)

KLM KL6821

05:26

Sioux Falls (FSD)

08:55

Atlanta (ATL) S

Operates only on 2025-07-02

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1237)

Duration: 2:29, non-stop
Airbus A319 (319)

KLM KL6821

05:27

Sioux Falls (FSD)

09:03

Atlanta (ATL) S

Effective 2025-05-07 through 2025-05-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1237)

Duration: 2:36, non-stop
Airbus A319 (319)

KLM KL6821

05:27

Sioux Falls (FSD)

09:03

Atlanta (ATL) S

Operates only on 2025-05-20

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1237)

Duration: 2:36, non-stop
Airbus A320 (320)

KLM KL6821

05:27

Sioux Falls (FSD)

09:03

Atlanta (ATL) S

Effective 2025-05-21 through 2025-06-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1237)

Duration: 2:36, non-stop
Airbus A319 (319)

KLM KL6821

05:27

Sioux Falls (FSD)

08:56

Atlanta (ATL) S

Operates only on 2025-06-30

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1237)

Duration: 2:29, non-stop
Airbus A319 (319)

KLM KL6821

12:20

Lansing (LAN)

13:13

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 3687)

Duration: 0:53, non-stop
Canadair CRJ 900 (CR9)

KLM KL6821

12:20

Lansing (LAN)

13:15

Detroit (DTW) M

Effective from 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3687)

Duration: 0:55, non-stop
Canadair CRJ 900 (CR9)

KLM KL6821

14:09

Lansing (LAN)

15:01

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 3959)

Duration: 0:52, non-stop
Canadair CRJ 900 (CR9)

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This flight number is listed as serving the following routes:

Lansing (LAN) - Detroit (DTW)
Sioux Falls (FSD) - Atlanta (ATL)

All KLM flights

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