KLM flight KL 5866: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 15:15 Atlanta (ATL) S 17:10 South Bend (SBN)
KL 5866 Non-stop Canadair CRJ 900 (CR9) 1:55 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 4033)
Daily 17:25 South Bend (SBN) 19:30 Atlanta (ATL) S
KL 5866 Non-stop Canadair CRJ 900 (CR9) 2:05 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 4033)
Daily 17:30 South Bend (SBN) 19:30 Atlanta (ATL) S
KL 5866 Non-stop Canadair CRJ 900 (CR9) 2:00 Effective 2025-10-26 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 4033)
Daily 17:49 South Bend (SBN) 19:50 Atlanta (ATL) S
KL 5866 Non-stop Canadair CRJ 900 (CR9) 2:01 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 4033)
Daily 22:10 New York John F. Kennedy (JFK) 4 23:58 Buffalo (BUF)
KL 5866 Non-stop Canadair CRJ 900 (CR9) 1:48 Effective 2025-07-07 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 5264)
Daily 22:10 New York John F. Kennedy (JFK) 4 23:50 Buffalo (BUF)
KL 5866 Non-stop Canadair CRJ 900 (CR9) 1:40 Effective 2025-09-08 through 2025-10-25
Codeshare flight, operated by Delta Air Lines.(DL 5264)
Mon-Fri,Sun 22:35 New York John F. Kennedy (JFK) 4 00:27 Buffalo (BUF)
KL 5866 Non-stop Canadair CRJ 900 (CR9) 1:52 Valid until 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 5264)
The flight arrives 1 day after departure.
Sat 22:50 New York John F. Kennedy (JFK) 4 00:42 Buffalo (BUF)
KL 5866 Non-stop Canadair CRJ 900 (CR9) 1:52 Valid until 2025-05-03
Codeshare flight, operated by Delta Air Lines.(DL 5264)
The flight arrives 1 day after departure.
Daily 22:50 New York John F. Kennedy (JFK) 4 00:40 Buffalo (BUF)
KL 5866 Non-stop Canadair CRJ 900 (CR9) 1:50 Effective 2025-05-07 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 5264)
The flight arrives 1 day after departure.
Daily 22:50 New York John F. Kennedy (JFK) 4 00:49 Buffalo (BUF)
KL 5866 Non-stop Canadair CRJ 900 (CR9) 1:59 Effective 2025-06-08 through 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 5264)
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 5866: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL5866
15:15
Atlanta (ATL) S

17:10
South Bend (SBN)
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4033)
Duration: 1:55, non-stop
Canadair CRJ 900 (CR9)
KLM KL5866
17:25
South Bend (SBN)

19:30
Atlanta (ATL) S
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4033)
Duration: 2:05, non-stop
Canadair CRJ 900 (CR9)
KLM KL5866
17:30
South Bend (SBN)

19:30
Atlanta (ATL) S
Effective 2025-10-26 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4033)
Duration: 2:00, non-stop
Canadair CRJ 900 (CR9)
KLM KL5866
17:49
South Bend (SBN)

19:50
Atlanta (ATL) S
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4033)
Duration: 2:01, non-stop
Canadair CRJ 900 (CR9)
KLM KL5866
22:10
New York John F. Kennedy (JFK) 4

23:58
Buffalo (BUF)
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5264)
Duration: 1:48, non-stop
Canadair CRJ 900 (CR9)
KLM KL5866
22:10
New York John F. Kennedy (JFK) 4

23:50
Buffalo (BUF)
Effective 2025-09-08 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5264)
Duration: 1:40, non-stop
Canadair CRJ 900 (CR9)
KLM KL5866
22:35
New York John F. Kennedy (JFK) 4

00:27(+1)
Buffalo (BUF)
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5264)
Duration: 1:52, non-stop
Canadair CRJ 900 (CR9)
The flight arrives 1 day after departure.
KLM KL5866
22:50
New York John F. Kennedy (JFK) 4

00:42(+1)
Buffalo (BUF)
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5264)
Duration: 1:52, non-stop
Canadair CRJ 900 (CR9)
The flight arrives 1 day after departure.
KLM KL5866
22:50
New York John F. Kennedy (JFK) 4

00:40(+1)
Buffalo (BUF)
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5264)
Duration: 1:50, non-stop
Canadair CRJ 900 (CR9)
The flight arrives 1 day after departure.
KLM KL5866
22:50
New York John F. Kennedy (JFK) 4

00:49(+1)
Buffalo (BUF)
Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5264)
Duration: 1:59, non-stop
Canadair CRJ 900 (CR9)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • New York John F. Kennedy (JFK) - Buffalo (BUF)
  • South Bend (SBN) - Atlanta (ATL)
All KLM flights
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