KLM flight KL 6427: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 14:35 Detroit (DTW) M 16:03 Louisville (SDF)
KL 6427 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 5687)
Mon,Tue,Fri-Sun 16:00 Detroit (DTW) M 17:26 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:26 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 4049)
Thu,Sun 16:19 Detroit (DTW) M 17:51 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 700 (CR7) 1:32 Effective 2026-02-12 through 2026-02-15
Codeshare flight, operated by Delta Air Lines.(DL 4687)
Mon-Fri 16:19 Detroit (DTW) M 17:51 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:32 Effective 2026-02-13 through 2026-02-20
Codeshare flight, operated by Delta Air Lines.(DL 4687)
Mon-Wed,Sun 16:19 Detroit (DTW) M 17:51 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:32 Effective 2026-02-22 through 2026-02-25
Codeshare flight, operated by Delta Air Lines.(DL 4687)
Mon,Thu,Fri,Sun 16:19 Detroit (DTW) M 17:51 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 700 (CR7) 1:32 Effective 2026-02-26 through 2026-03-06
Codeshare flight, operated by Delta Air Lines.(DL 4687)
Tue,Wed 16:19 Detroit (DTW) M 17:51 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:32 Effective 2026-03-03 through 2026-03-04
Codeshare flight, operated by Delta Air Lines.(DL 4687)
Tue,Sat 16:35 Detroit (DTW) M 18:11 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:36 Effective 2026-01-24 through 2026-01-31
Codeshare flight, operated by Delta Air Lines.(DL 5231)
Sat 16:35 Detroit (DTW) M 18:11 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:36 Operates only on 2026-02-07
Codeshare flight, operated by Delta Air Lines.(DL 5231)
Mon,Thu,Fri 16:37 Detroit (DTW) M 18:13 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 700 (CR7) 1:36 Effective 2026-01-26 through 2026-01-30
Codeshare flight, operated by Delta Air Lines.(DL 3654)
Tue,Wed 16:37 Detroit (DTW) M 18:13 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:36 Effective 2026-01-28 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 5231)
Mon,Thu,Fri,Sun 16:37 Detroit (DTW) M 18:13 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:36 Effective 2026-02-01 through 2026-02-09
Codeshare flight, operated by Delta Air Lines.(DL 3907)
Mon,Thu,Fri,Sun 16:38 Detroit (DTW) M 18:14 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 700 (CR7) 1:36 Effective 2026-01-19 through 2026-01-25
Codeshare flight, operated by Delta Air Lines.(DL 3654)
Tue,Wed 16:38 Detroit (DTW) M 18:14 Louisville (SDF)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:36 Effective 2026-01-20 through 2026-01-21
Codeshare flight, operated by Delta Air Lines.(DL 5231)
Sat 17:00 Louisville (SDF) 18:18 Detroit (DTW) M
KL 6427 Non-stop Embraer EMB 175 (E75) 1:18 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 5687)
Mon,Tue,Fri-Sun 18:06 Louisville (SDF) 19:37 Detroit (DTW) M
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:31 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 4049)
Daily 18:20 Minneapolis/Saint Paul (MSP) 1 19:44 Omaha (OMA)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:24 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 4024)
Mon-Fri,Sun 18:21 Louisville (SDF) 19:50 Detroit (DTW) M
KL 6427 Non-stop Boeing 717 (717) 1:29 Effective 2026-01-06 through 2026-01-16
Codeshare flight, operated by Delta Air Lines.(DL 1045)
Tue 18:33 Louisville (SDF) 20:04 Detroit (DTW) M
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:31 Effective 2026-02-17 through 2026-03-03
Codeshare flight, operated by Delta Air Lines.(DL 4687)
Thu 18:33 Louisville (SDF) 20:04 Detroit (DTW) M
KL 6427 Non-stop Canadair CRJ 700 (CR7) 1:31 Effective 2026-02-26 through 2026-03-05
Codeshare flight, operated by Delta Air Lines.(DL 4687)
Daily 20:50 Atlanta (ATL) S 21:37 Alexandria (AEX)
KL 6427 Non-stop Canadair CRJ 700 (CR7) 1:47 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 5168)
Daily 20:50 Atlanta (ATL) S 21:35 Alexandria (AEX)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:45 Effective 2026-04-13 through 2026-07-06
Codeshare flight, operated by Delta Air Lines.(DL 5168)
Daily 20:50 Atlanta (ATL) S 21:33 Alexandria (AEX)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:43 Effective 2026-07-07 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 5168)
Daily 20:50 Atlanta (ATL) S 21:38 Alexandria (AEX)
KL 6427 Non-stop Canadair CRJ 900 (CR9) 1:48 Effective 2026-10-06 through 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 5168)
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This flight number is listed as serving the following routes:


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KLM flight KL 6427: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6427
14:35
Detroit (DTW) M

16:03
Louisville (SDF)
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5687)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6427
16:00
Detroit (DTW) M

17:26
Louisville (SDF)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4049)
Duration: 1:26, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
16:19
Detroit (DTW) M

17:51
Louisville (SDF)
Effective 2026-02-12 through 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4687)
Duration: 1:32, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
KLM KL6427
16:19
Detroit (DTW) M

17:51
Louisville (SDF)
Effective 2026-02-13 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4687)
Duration: 1:32, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
16:19
Detroit (DTW) M

17:51
Louisville (SDF)
Effective 2026-02-22 through 2026-02-25
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4687)
Duration: 1:32, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
16:19
Detroit (DTW) M

17:51
Louisville (SDF)
Effective 2026-02-26 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4687)
Duration: 1:32, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
KLM KL6427
16:19
Detroit (DTW) M

17:51
Louisville (SDF)
Effective 2026-03-03 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4687)
Duration: 1:32, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
16:35
Detroit (DTW) M

18:11
Louisville (SDF)
Effective 2026-01-24 through 2026-01-31
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5231)
Duration: 1:36, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
16:35
Detroit (DTW) M

18:11
Louisville (SDF)
Operates only on 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5231)
Duration: 1:36, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
16:37
Detroit (DTW) M

18:13
Louisville (SDF)
Effective 2026-01-26 through 2026-01-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3654)
Duration: 1:36, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
KLM KL6427
16:37
Detroit (DTW) M

18:13
Louisville (SDF)
Effective 2026-01-28 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5231)
Duration: 1:36, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
16:37
Detroit (DTW) M

18:13
Louisville (SDF)
Effective 2026-02-01 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3907)
Duration: 1:36, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
16:38
Detroit (DTW) M

18:14
Louisville (SDF)
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3654)
Duration: 1:36, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
KLM KL6427
16:38
Detroit (DTW) M

18:14
Louisville (SDF)
Effective 2026-01-20 through 2026-01-21
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5231)
Duration: 1:36, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
17:00
Louisville (SDF)

18:18
Detroit (DTW) M
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5687)
Duration: 1:18, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6427
18:06
Louisville (SDF)

19:37
Detroit (DTW) M
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4049)
Duration: 1:31, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
18:20
Minneapolis/Saint Paul (MSP) 1

19:44
Omaha (OMA)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4024)
Duration: 1:24, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
18:21
Louisville (SDF)

19:50
Detroit (DTW) M
Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1045)
Duration: 1:29, non-stop
Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6427
18:33
Louisville (SDF)

20:04
Detroit (DTW) M
Effective 2026-02-17 through 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4687)
Duration: 1:31, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
18:33
Louisville (SDF)

20:04
Detroit (DTW) M
Effective 2026-02-26 through 2026-03-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4687)
Duration: 1:31, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
KLM KL6427
20:50
Atlanta (ATL) S

21:37
Alexandria (AEX)
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5168)
Duration: 1:47, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
KLM KL6427
20:50
Atlanta (ATL) S

21:35
Alexandria (AEX)
Effective 2026-04-13 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5168)
Duration: 1:45, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
20:50
Atlanta (ATL) S

21:33
Alexandria (AEX)
Effective 2026-07-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5168)
Duration: 1:43, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6427
20:50
Atlanta (ATL) S

21:38
Alexandria (AEX)
Effective 2026-10-06 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5168)
Duration: 1:48, non-stop
Canadair CRJ 900 (CR9)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Alexandria (AEX)
  • Louisville (SDF) - Detroit (DTW)
  • Minneapolis/Saint Paul (MSP) - Omaha (OMA)
All KLM flights
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- CACHE: False - LANG: en - IS_EU: False