KLM flight KL 6556: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 15:59 Detroit (DTW) M 17:31 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 900 (CR9) 1:32 Effective 2025-07-12 through 2025-08-09
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Sat 16:00 Detroit (DTW) M 17:39 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 700 (CR7) 1:39 Valid until 2025-05-03
Codeshare flight, operated by Delta Air Lines.(DL 5135)
Daily 16:15 New York John F. Kennedy (JFK) 4 18:53 Atlanta (ATL) S
KL 6556 Non-stop Boeing 737-900 (739) 2:38 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by Delta Air Lines.(DL 950)
Daily 17:40 New York John F. Kennedy (JFK) 4 20:19 Atlanta (ATL) S
KL 6556 Non-stop Boeing 737-900 (739) 2:39 Effective 2025-11-02 through 2025-12-23
Codeshare flight, operated by Delta Air Lines.(DL 2293)
Mon,Sun 17:40 New York John F. Kennedy (JFK) 4 20:19 Atlanta (ATL) S
KL 6556 Non-stop Boeing 737-900 (739) 2:39 Effective 2026-01-04 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 2293)
Daily 17:40 New York John F. Kennedy (JFK) 4 20:23 Atlanta (ATL) S
KL 6556 Non-stop Boeing 737-900 (739) 2:43 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 2293)
Mon,Tue,Thu,Fri,Sun 19:45 Detroit (DTW) M 21:16 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 700 (CR7) 1:31 Effective 2025-06-08 through 2025-06-17
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Mon-Fri,Sun 19:45 Detroit (DTW) M 21:16 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 700 (CR7) 1:31 Effective 2025-06-18 through 2025-06-26
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Mon-Wed,Fri,Sun 19:45 Detroit (DTW) M 21:16 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 700 (CR7) 1:31 Effective 2025-06-29 through 2025-07-04
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Wed 19:46 Detroit (DTW) M 21:17 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 700 (CR7) 1:31 Operates only on 2025-06-11
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Thu,Fri 19:46 Detroit (DTW) M 21:17 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 700 (CR7) 1:31 Effective 2025-06-27 through 2025-07-03
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Sun 19:46 Detroit (DTW) M 21:17 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 700 (CR7) 1:31 Operates only on 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Mon-Fri,Sun 19:50 Detroit (DTW) M 21:20 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 700 (CR7) 1:30 Effective 2025-05-07 through 2025-05-23
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Mon-Fri,Sun 19:50 Detroit (DTW) M 21:20 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 700 (CR7) 1:30 Effective 2025-05-26 through 2025-06-06
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Mon-Fri,Sun 19:55 Detroit (DTW) M 21:27 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 900 (CR9) 1:32 Effective 2025-07-07 through 2025-08-29
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Mon-Fri,Sun 19:55 Detroit (DTW) M 21:27 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 900 (CR9) 1:32 Effective 2025-09-01 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Daily 19:55 Detroit (DTW) M 21:32 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 900 (CR9) 1:37 Effective 2025-09-08 through 2025-10-25
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Mon-Fri,Sun 19:59 Detroit (DTW) M 21:30 Knoxville (TYS)
KL 6556 Non-stop Canadair CRJ 700 (CR7) 1:31 Valid until 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 5138)
Daily 21:00 New York John F. Kennedy (JFK) 4 23:41 Atlanta (ATL) S
KL 6556 Non-stop Airbus A321 (321) 2:41 Effective 2025-12-24 through 2026-01-03
Codeshare flight, operated by Delta Air Lines.(DL 2293)
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This flight number is listed as serving the following routes:


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KLM flight KL 6556: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6556
15:59
Detroit (DTW) M

17:31
Knoxville (TYS)
Effective 2025-07-12 through 2025-08-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:32, non-stop
Canadair CRJ 900 (CR9)
KLM KL6556
16:00
Detroit (DTW) M

17:39
Knoxville (TYS)
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5135)
Duration: 1:39, non-stop
Canadair CRJ 700 (CR7)
KLM KL6556
16:15
New York John F. Kennedy (JFK) 4

18:53
Atlanta (ATL) S
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 950)
Duration: 2:38, non-stop
Boeing 737-900 (739)
KLM KL6556
17:40
New York John F. Kennedy (JFK) 4

20:19
Atlanta (ATL) S
Effective 2025-11-02 through 2025-12-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2293)
Duration: 2:39, non-stop
Boeing 737-900 (739)
KLM KL6556
17:40
New York John F. Kennedy (JFK) 4

20:19
Atlanta (ATL) S
Effective 2026-01-04 through 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2293)
Duration: 2:39, non-stop
Boeing 737-900 (739)
KLM KL6556
17:40
New York John F. Kennedy (JFK) 4

20:23
Atlanta (ATL) S
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2293)
Duration: 2:43, non-stop
Boeing 737-900 (739)
KLM KL6556
19:45
Detroit (DTW) M

21:16
Knoxville (TYS)
Effective 2025-06-08 through 2025-06-17
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:31, non-stop
Canadair CRJ 700 (CR7)
KLM KL6556
19:45
Detroit (DTW) M

21:16
Knoxville (TYS)
Effective 2025-06-18 through 2025-06-26
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:31, non-stop
Canadair CRJ 700 (CR7)
KLM KL6556
19:45
Detroit (DTW) M

21:16
Knoxville (TYS)
Effective 2025-06-29 through 2025-07-04
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:31, non-stop
Canadair CRJ 700 (CR7)
KLM KL6556
19:46
Detroit (DTW) M

21:17
Knoxville (TYS)
Operates only on 2025-06-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:31, non-stop
Canadair CRJ 700 (CR7)
KLM KL6556
19:46
Detroit (DTW) M

21:17
Knoxville (TYS)
Effective 2025-06-27 through 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:31, non-stop
Canadair CRJ 700 (CR7)
KLM KL6556
19:46
Detroit (DTW) M

21:17
Knoxville (TYS)
Operates only on 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:31, non-stop
Canadair CRJ 700 (CR7)
KLM KL6556
19:50
Detroit (DTW) M

21:20
Knoxville (TYS)
Effective 2025-05-07 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:30, non-stop
Canadair CRJ 700 (CR7)
KLM KL6556
19:50
Detroit (DTW) M

21:20
Knoxville (TYS)
Effective 2025-05-26 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:30, non-stop
Canadair CRJ 700 (CR7)
KLM KL6556
19:55
Detroit (DTW) M

21:27
Knoxville (TYS)
Effective 2025-07-07 through 2025-08-29
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:32, non-stop
Canadair CRJ 900 (CR9)
KLM KL6556
19:55
Detroit (DTW) M

21:27
Knoxville (TYS)
Effective 2025-09-01 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:32, non-stop
Canadair CRJ 900 (CR9)
KLM KL6556
19:55
Detroit (DTW) M

21:32
Knoxville (TYS)
Effective 2025-09-08 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:37, non-stop
Canadair CRJ 900 (CR9)
KLM KL6556
19:59
Detroit (DTW) M

21:30
Knoxville (TYS)
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5138)
Duration: 1:31, non-stop
Canadair CRJ 700 (CR7)
KLM KL6556
21:00
New York John F. Kennedy (JFK) 4

23:41
Atlanta (ATL) S
Effective 2025-12-24 through 2026-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2293)
Duration: 2:41, non-stop
Airbus A321 (321)
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This flight number is listed as serving the following routes:
  • Detroit (DTW) - Knoxville (TYS)
  • New York John F. Kennedy (JFK) - Atlanta (ATL)
All KLM flights
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