KLM flight KL 6523: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 09:05 Seattle-Tacoma (SEA) 14:28 Minneapolis/Saint Paul (MSP) 1
KL 6523 Non-stop Boeing 737-900 (739) 3:23 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 536)
Mon-Fri,Sun 11:35 Charlotte (CLT) 13:57 Boston Logan (BOS) A
KL 6523 Non-stop Embraer EMB 175 (E75) 2:22 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 5626)
Sun 13:05 Tulsa (TUL) 16:06 Atlanta (ATL) S
KL 6523 Non-stop Boeing 717 (717) 2:01 Operates only on 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 2141)
Daily 13:56 Tulsa (TUL) 16:49 Atlanta (ATL) S
KL 6523 Non-stop Boeing 717 (717) 1:53 Effective 2026-01-19 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 2620)
Daily 13:56 Tulsa (TUL) 16:47 Atlanta (ATL) S
KL 6523 Non-stop Boeing 717 (717) 1:51 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 2620)
Daily 13:59 Tulsa (TUL) 16:52 Atlanta (ATL) S
KL 6523 Non-stop Boeing 717 (717) 1:53 Effective 2026-01-05 through 2026-01-18
Codeshare flight, operated by Delta Air Lines.(DL 2620)
Mon,Tue,Fri,Sun 14:05 Tulsa (TUL) 17:05 Atlanta (ATL) S
KL 6523 Non-stop Boeing 717 (717) 2:00 Valid until 2026-01-02
Codeshare flight, operated by Delta Air Lines.(DL 2141)
Sat 14:05 Tulsa (TUL) 17:05 Atlanta (ATL) S
KL 6523 Non-stop Canadair CRJ 900 (CR9) 2:00 Valid until 2026-01-03
Codeshare flight, operated by Delta Air Lines.(DL 5037)
Sat 14:10 Charlotte (CLT) 16:27 Boston Logan (BOS) A
KL 6523 Non-stop Embraer EMB 175 (E75) 2:17 Effective 2026-04-04 through 2026-04-11
Codeshare flight, operated by Delta Air Lines.(DL 5822)
Daily 14:10 Charlotte (CLT) 16:40 Boston Logan (BOS) A
KL 6523 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-04-13 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 5639)
Daily 14:10 Charlotte (CLT) 16:36 Boston Logan (BOS) A
KL 6523 Non-stop Embraer EMB 175 (E75) 2:26 Effective 2026-10-06 through 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 5639)
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This flight number is listed as serving the following routes:


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KLM flight KL 6523: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6523
09:05
Seattle-Tacoma (SEA)

14:28
Minneapolis/Saint Paul (MSP) 1
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 536)
Duration: 3:23, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL6523
11:35
Charlotte (CLT)

13:57
Boston Logan (BOS) A
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5626)
Duration: 2:22, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6523
13:05
Tulsa (TUL)

16:06
Atlanta (ATL) S
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2141)
Duration: 2:01, non-stop
Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6523
13:56
Tulsa (TUL)

16:49
Atlanta (ATL) S
Effective 2026-01-19 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2620)
Duration: 1:53, non-stop
Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6523
13:56
Tulsa (TUL)

16:47
Atlanta (ATL) S
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2620)
Duration: 1:51, non-stop
Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6523
13:59
Tulsa (TUL)

16:52
Atlanta (ATL) S
Effective 2026-01-05 through 2026-01-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2620)
Duration: 1:53, non-stop
Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6523
14:05
Tulsa (TUL)

17:05
Atlanta (ATL) S
Valid until 2026-01-02
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2141)
Duration: 2:00, non-stop
Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6523
14:05
Tulsa (TUL)

17:05
Atlanta (ATL) S
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5037)
Duration: 2:00, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6523
14:10
Charlotte (CLT)

16:27
Boston Logan (BOS) A
Effective 2026-04-04 through 2026-04-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5822)
Duration: 2:17, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6523
14:10
Charlotte (CLT)

16:40
Boston Logan (BOS) A
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5639)
Duration: 2:30, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6523
14:10
Charlotte (CLT)

16:36
Boston Logan (BOS) A
Effective 2026-10-06 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5639)
Duration: 2:26, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Charlotte (CLT) - Boston Logan (BOS)
  • Seattle-Tacoma (SEA) - Minneapolis/Saint Paul (MSP)
  • Tulsa (TUL) - Atlanta (ATL)
All KLM flights
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