KLM flight KL 6451: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Wed 06:00 Fort Lauderdale (FLL) 2 08:50 New York John F. Kennedy (JFK) 4
KL 6451 Non-stop Boeing 737-900 (739) 2:50 Operates only on 2026-01-21
Codeshare flight, operated by Delta Air Lines.(DL 1603)
Thu,Fri 08:02 Las Vegas Harry Reid (LAS) 1 16:01 New York John F. Kennedy (JFK) 4
KL 6451 Non-stop Airbus A321neo (32Q) 4:59 Effective 2026-01-08 through 2026-01-09
Codeshare flight, operated by Delta Air Lines.(DL 8809)
Sat 09:00 Atlanta (ATL) S 10:09 Cedar Rapids (CID)
KL 6451 Non-stop Boeing 717 (717) 2:09 Operates only on 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 8783)
Sat 10:55 Cedar Rapids (CID) 14:14 Atlanta (ATL) S
KL 6451 Non-stop Boeing 717 (717) 2:19 Operates only on 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 8783)
Sat 11:30 New York LaGuardia (LGA) C 13:12 Chicago O'Hare (ORD) 5
KL 6451 Non-stop Boeing 737-800 (738) 2:42 Operates only on 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 2240)
Tue 12:40 Fort Lauderdale (FLL) 2 15:46 New York John F. Kennedy (JFK) 4
KL 6451 Non-stop Airbus A319 (319) 3:06 Operates only on 2026-01-20
Codeshare flight, operated by Delta Air Lines.(DL 8791)
Sun 12:50 Charleston (CHS) 15:10 Boston Logan (BOS) A
KL 6451 Non-stop Airbus A220-100 (221) 2:20 Operates only on 2026-02-15
Codeshare flight, operated by Delta Air Lines.(DL 2673)
Sat 12:55 Cedar Rapids (CID) 16:14 Atlanta (ATL) S
KL 6451 Non-stop Boeing 717 (717) 2:19 Operates only on 2026-03-21
Codeshare flight, operated by Delta Air Lines.(DL 8783)
Sat 13:05 Appleton (ATW) 16:40 Atlanta (ATL) S
KL 6451 Non-stop Boeing 717 (717) 2:35 Operates only on 2026-04-04
Codeshare flight, operated by Delta Air Lines.(DL 8784)
Sun 13:15 Louisville (SDF) 15:31 New York John F. Kennedy (JFK) 4
KL 6451 Non-stop Airbus A220-100 (221) 2:16 Operates only on 2026-05-03
Codeshare flight, operated by Delta Air Lines.(DL 8812)
Sat 13:33 Punta Cana (PUJ) B 16:48 Boston Logan (BOS) E
KL 6451 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-02-14 through 2026-02-21
Codeshare flight, operated by Delta Air Lines.(DL 2150)
Mon,Fri 13:50 Daytona Beach (DAB) 16:40 Detroit (DTW) M
KL 6451 Non-stop Airbus A319 (319) 2:50 Effective 2026-02-13 through 2026-02-16
Codeshare flight, operated by Delta Air Lines.(DL 8788)
Mon,Thu 14:00 Augusta (AGS) 15:50 Austin (AUS)
KL 6451 Non-stop Embraer EMB 175 (E7W) 2:50 Effective 2026-04-09 through 2026-04-13
Codeshare flight, operated by Delta Air Lines.(DL 4539)
Sat 15:41 Hayden (HDN) 19:00 Minneapolis/Saint Paul (MSP) 1
KL 6451 Non-stop Airbus A319 (319) 2:19 Operates only on 2026-03-28
Codeshare flight, operated by Delta Air Lines.(DL 1260)
Sun 16:00 Boston Logan (BOS) A 18:45 Augusta (AGS)
KL 6451 Non-stop Embraer EMB 175 (E75) 2:45 Operates only on 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 5864)
Thu 16:05 New York John F. Kennedy (JFK) 4 18:43 Louisville (SDF)
KL 6451 Non-stop Airbus A220-100 (221) 2:38 Operates only on 2026-04-30
Codeshare flight, operated by Delta Air Lines.(DL 8812)
Sat 17:00 Orlando (MCO) B 19:54 New York John F. Kennedy (JFK) 4
KL 6451 Non-stop Airbus A321neo (32Q) 2:54 Effective 2026-01-10 through 2026-01-17
Codeshare flight, operated by Delta Air Lines.(DL 505)
Sat 17:20 Salt Lake City (SLC) 22:35 Louisville (SDF)
KL 6451 Non-stop Airbus A319 (319) 3:15 Operates only on 2026-05-02
Codeshare flight, operated by Delta Air Lines.(DL 8801)
Sat 22:15 Las Vegas Harry Reid (LAS) 1 05:00 Cincinnati (CVG)
KL 6451 Non-stop Airbus A321neo (32Q) 3:45 Operates only on 2026-01-03
Codeshare flight, operated by Delta Air Lines.(DL 1235)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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KLM flight KL 6451: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6451
06:00
Fort Lauderdale (FLL) 2

08:50
New York John F. Kennedy (JFK) 4
Operates only on 2026-01-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1603)
Duration: 2:50, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL6451
08:02
Las Vegas Harry Reid (LAS) 1

16:01
New York John F. Kennedy (JFK) 4
Effective 2026-01-08 through 2026-01-09
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 8809)
Duration: 4:59, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
KLM KL6451
09:00
Atlanta (ATL) S

10:09
Cedar Rapids (CID)
Operates only on 2026-03-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 8783)
Duration: 2:09, non-stop
Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6451
10:55
Cedar Rapids (CID)

14:14
Atlanta (ATL) S
Operates only on 2026-03-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 8783)
Duration: 2:19, non-stop
Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6451
11:30
New York LaGuardia (LGA) C

13:12
Chicago O'Hare (ORD) 5
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2240)
Duration: 2:42, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
KLM KL6451
12:40
Fort Lauderdale (FLL) 2

15:46
New York John F. Kennedy (JFK) 4
Operates only on 2026-01-20
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 8791)
Duration: 3:06, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6451
12:50
Charleston (CHS)

15:10
Boston Logan (BOS) A
Operates only on 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2673)
Duration: 2:20, non-stop
Airbus A220-100 (221)
Direct Codeshare Flights:
KLM KL6451
12:55
Cedar Rapids (CID)

16:14
Atlanta (ATL) S
Operates only on 2026-03-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 8783)
Duration: 2:19, non-stop
Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6451
13:05
Appleton (ATW)

16:40
Atlanta (ATL) S
Operates only on 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 8784)
Duration: 2:35, non-stop
Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6451
13:15
Louisville (SDF)

15:31
New York John F. Kennedy (JFK) 4
Operates only on 2026-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 8812)
Duration: 2:16, non-stop
Airbus A220-100 (221)
Direct Codeshare Flights:
KLM KL6451
13:33
Punta Cana (PUJ) B

16:48
Boston Logan (BOS) E
Effective 2026-02-14 through 2026-02-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2150)
Duration: 4:15, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL6451
13:50
Daytona Beach (DAB)

16:40
Detroit (DTW) M
Effective 2026-02-13 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 8788)
Duration: 2:50, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6451
14:00
Augusta (AGS)

15:50
Austin (AUS)
Effective 2026-04-09 through 2026-04-13
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4539)
Duration: 2:50, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6451
15:41
Hayden (HDN)

19:00
Minneapolis/Saint Paul (MSP) 1
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1260)
Duration: 2:19, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6451
16:00
Boston Logan (BOS) A

18:45
Augusta (AGS)
Operates only on 2026-04-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5864)
Duration: 2:45, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6451
16:05
New York John F. Kennedy (JFK) 4

18:43
Louisville (SDF)
Operates only on 2026-04-30
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 8812)
Duration: 2:38, non-stop
Airbus A220-100 (221)
Direct Codeshare Flights:
KLM KL6451
17:00
Orlando (MCO) B

19:54
New York John F. Kennedy (JFK) 4
Effective 2026-01-10 through 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 505)
Duration: 2:54, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
KLM KL6451
17:20
Salt Lake City (SLC)

22:35
Louisville (SDF)
Operates only on 2026-05-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 8801)
Duration: 3:15, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6451
22:15
Las Vegas Harry Reid (LAS) 1

05:00(+1)
Cincinnati (CVG)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1235)
Duration: 3:45, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Appleton (ATW) - Atlanta (ATL)
  • Augusta (AGS) - Austin (AUS)
  • Boston Logan (BOS) - Augusta (AGS)
  • Cedar Rapids (CID) - Atlanta (ATL)
  • Charleston (CHS) - Boston Logan (BOS)
  • Daytona Beach (DAB) - Detroit (DTW)
  • Fort Lauderdale (FLL) - New York John F. Kennedy (JFK)
  • Hayden (HDN) - Minneapolis/Saint Paul (MSP)
  • Las Vegas Harry Reid (LAS) - Cincinnati (CVG)
  • Las Vegas Harry Reid (LAS) - New York John F. Kennedy (JFK)
  • New York John F. Kennedy (JFK) - Louisville (SDF)
  • New York LaGuardia (LGA) - Chicago O'Hare (ORD)
  • Orlando (MCO) - New York John F. Kennedy (JFK)
  • Punta Cana (PUJ) - Boston Logan (BOS)
  • Salt Lake City (SLC) - Louisville (SDF)
All KLM flights
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