KLM
flight
KL 6620:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6620
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1782)
Duration: 3:28, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
KLM KL6620
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1782)
Duration: 3:25, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
KLM KL6620
Effective 2026-01-05 through 2026-01-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1782)
Duration: 3:30, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
KLM KL6620
Effective 2026-01-28 through 2026-02-16
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1782)
Duration: 3:30, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
KLM KL6620
Effective 2026-02-17 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1782)
Duration: 3:30, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
KLM KL6620
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 5059)
Duration: 1:40, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6620
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 4948)
Duration: 2:46, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6620
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 4986)
Duration: 2:49, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6620
Effective 2026-10-06 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 4986)
Duration: 2:48, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6620
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 5059)
Duration: 1:42, non-stop Canadair CRJ 900 (CR9)
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This flight number is listed as serving the following routes:
- Atlanta (ATL) - San Pedro Sula (SAP)
- Baton Rouge (BTR) - Atlanta (ATL)
- New York John F. Kennedy (JFK) - Milwaukee (MKE)