KLM flight KL 5663: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 06:00 Ontario, Los Angeles (ONT) 2 08:55 Seattle-Tacoma (SEA)
KL 5663 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2026-03-08 through 2026-03-28
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 06:38 Ontario, Los Angeles (ONT) 2 09:45 Seattle-Tacoma (SEA)
KL 5663 Non-stop Embraer EMB 175 (E7W) 3:07 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 07:30 Ontario, Los Angeles (ONT) 2 10:36 Seattle-Tacoma (SEA)
KL 5663 Non-stop Embraer EMB 175 (E7W) 3:06 Effective 2026-01-05 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 07:30 Ontario, Los Angeles (ONT) 2 10:34 Seattle-Tacoma (SEA)
KL 5663 Non-stop Embraer EMB 175 (E7W) 3:04 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Mon-Sat 08:55 Atlanta (ATL) S 08:58 Montgomery (MGM)
KL 5663 Non-stop Canadair CRJ 900 (CR9) 1:03 Effective from 2026-10-26
Codeshare flight, operated by Delta Air Lines.(DL 5304)
Daily 09:30 Montgomery (MGM) 11:33 Atlanta (ATL) S
KL 5663 Non-stop Canadair CRJ 900 (CR9) 1:03 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 5304)
Daily 11:00 Baltimore (BWI) 12:37 Detroit (DTW) M
KL 5663 Non-stop Boeing 717 (717) 1:37 Effective 2026-04-13 through 2026-05-06
Codeshare flight, operated by Delta Air Lines.(DL 1546)
Mon-Fri,Sun 11:45 Baltimore (BWI) 13:25 Detroit (DTW) M
KL 5663 Non-stop Boeing 717 (717) 1:40 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 1546)
Daily 13:00 Baltimore (BWI) 14:37 Detroit (DTW) M
KL 5663 Non-stop Boeing 717 (717) 1:37 Effective 2026-05-07 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 1546)
Daily 13:00 Baltimore (BWI) 14:38 Detroit (DTW) M
KL 5663 Non-stop Boeing 717 (717) 1:38 Effective 2026-10-06 through 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 1546)
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This flight number is listed as serving the following routes:
KLM flight KL 5663: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

KLM KL5663
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 2:55, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

KLM KL5663
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 3:07, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

KLM KL5663
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 3:06, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

KLM KL5663
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 3:04, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

KLM KL5663
Effective from 2026-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5304)
Duration: 1:03, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5663
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5304)
Duration: 1:03, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5663
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1546)
Duration: 1:37, non-stop
Boeing 717 (717)

Direct Codeshare Flights:

KLM KL5663
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1546)
Duration: 1:40, non-stop
Boeing 717 (717)

Direct Codeshare Flights:

KLM KL5663
Effective 2026-05-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1546)
Duration: 1:37, non-stop
Boeing 717 (717)

Direct Codeshare Flights:

KLM KL5663
Effective 2026-10-06 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1546)
Duration: 1:38, non-stop
Boeing 717 (717)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Montgomery (MGM)
  • Baltimore (BWI) - Detroit (DTW)
  • Ontario, Los Angeles (ONT) - Seattle-Tacoma (SEA)