KLM
flight
KL 6221:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6221
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1023)
Duration: 2:55, non-stop Airbus A321 (321)
Direct Codeshare Flights:
KLM KL6221
Valid until 2026-01-03
Mon
Tue
Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 1225)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6221
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3181)
Duration: 1:25, non-stop Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6221
Operates only on 2026-03-28
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 3181)
Duration: 1:25, non-stop Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6221
Effective 2026-04-13 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1023)
Duration: 2:44, non-stop Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6221
Effective 2026-07-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1023)
Duration: 2:39, non-stop Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6221
Effective 2026-10-06 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1023)
Duration: 2:56, non-stop Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6221
Valid until 2026-01-01
Mon
-
-
Tue
-
-
Wed
Thu
Fri
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-
Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 1225)
Duration: 1:28, non-stop Airbus A319 (319)
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This flight number is listed as serving the following routes:
- Gainesville (GNV) - Atlanta (ATL)
- Providence (PVD) - Atlanta (ATL)