KLM
flight
KL 6657:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6657
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 4937)
Duration: 2:02, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6657
Effective 2026-04-13 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 4937)
Duration: 2:04, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6657
Effective 2026-07-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 4937)
Duration: 2:03, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6657
Effective 2026-10-06 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 4937)
Duration: 2:05, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6657
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 2772)
Duration: 2:14, non-stop Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6657
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 5718)
Duration: 1:33, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6657
Effective 2026-03-08 through 2026-03-27
Mon
Tue
-
-
Wed
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 5718)
Duration: 1:19, non-stop Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
- Boston Logan (BOS) - Newark Liberty, New York (EWR)
- Boston Logan (BOS) - Raleigh/Durham (RDU)
- Moline (MLI) - Atlanta (ATL)