KLM flight KL 6720: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Wed,Fri-Sun 06:00 Washington Dulles (IAD) 08:01 Atlanta (ATL) S
KL 6720 Non-stop Airbus A319 (319) 2:01 Effective 2026-02-13 through 2026-02-20
Codeshare flight, operated by Delta Air Lines.(DL 1354)
Mon-Thu,Sun 06:20 Washington Dulles (IAD) 08:24 Atlanta (ATL) S
KL 6720 Non-stop Airbus A220-300 (223) 2:04 Effective 2026-01-05 through 2026-01-15
Codeshare flight, operated by Delta Air Lines.(DL 1354)
Fri-Sun 06:20 Washington Dulles (IAD) 08:24 Atlanta (ATL) S
KL 6720 Non-stop Airbus A220-300 (223) 2:04 Effective 2026-01-16 through 2026-01-18
Codeshare flight, operated by Delta Air Lines.(DL 1354)
Daily 07:00 Ontario, Los Angeles (ONT) 2 14:18 Atlanta (ATL) S
KL 6720 Non-stop Airbus A321 (321) 4:18 Effective 2026-04-13 through 2026-07-06
Codeshare flight, operated by Delta Air Lines.(DL 761)
Daily 07:00 Ontario, Los Angeles (ONT) 2 14:24 Atlanta (ATL) S
KL 6720 Non-stop Airbus A321 (321) 4:24 Effective 2026-07-07 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 761)
Daily 07:00 Ontario, Los Angeles (ONT) 2 14:13 Atlanta (ATL) S
KL 6720 Non-stop Airbus A321 (321) 4:13 Effective 2026-10-06 through 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 761)
Daily 07:15 Washington Dulles (IAD) 09:25 Atlanta (ATL) S
KL 6720 Non-stop Airbus A220-300 (223) 2:10 Effective 2026-01-19 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 1354)
Mon,Tue,Thu 10:06 Washington Dulles (IAD) 12:10 Atlanta (ATL) S
KL 6720 Non-stop Airbus A319 (319) 2:04 Effective 2026-02-12 through 2026-02-19
Codeshare flight, operated by Delta Air Lines.(DL 2010)
Mon-Fri,Sun 15:15 Minneapolis/Saint Paul (MSP) 1 18:28 Toronto Pearson (YYZ) 3
KL 6720 Non-stop Embraer EMB 175 (E7W) 2:13 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 4080)
Daily 19:18 Atlanta (ATL) S 21:04 Ontario, Los Angeles (ONT) 2
KL 6720 Non-stop Airbus A321 (321) 4:46 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 761)
Daily 22:30 Ontario, Los Angeles (ONT) 2 05:34 Atlanta (ATL) S
KL 6720 Non-stop Airbus A321 (321) 4:04 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 761)
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 6720: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6720
06:00
Washington Dulles (IAD)

08:01
Atlanta (ATL) S
Effective 2026-02-13 through 2026-02-20
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1354)
Duration: 2:01, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6720
06:20
Washington Dulles (IAD)

08:24
Atlanta (ATL) S
Effective 2026-01-05 through 2026-01-15
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1354)
Duration: 2:04, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
KLM KL6720
06:20
Washington Dulles (IAD)

08:24
Atlanta (ATL) S
Effective 2026-01-16 through 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1354)
Duration: 2:04, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
KLM KL6720
07:00
Ontario, Los Angeles (ONT) 2

14:18
Atlanta (ATL) S
Effective 2026-04-13 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 761)
Duration: 4:18, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
KLM KL6720
07:00
Ontario, Los Angeles (ONT) 2

14:24
Atlanta (ATL) S
Effective 2026-07-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 761)
Duration: 4:24, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
KLM KL6720
07:00
Ontario, Los Angeles (ONT) 2

14:13
Atlanta (ATL) S
Effective 2026-10-06 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 761)
Duration: 4:13, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
KLM KL6720
07:15
Washington Dulles (IAD)

09:25
Atlanta (ATL) S
Effective 2026-01-19 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1354)
Duration: 2:10, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
KLM KL6720
10:06
Washington Dulles (IAD)

12:10
Atlanta (ATL) S
Effective 2026-02-12 through 2026-02-19
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2010)
Duration: 2:04, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6720
15:15
Minneapolis/Saint Paul (MSP) 1

18:28
Toronto Pearson (YYZ) 3
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4080)
Duration: 2:13, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6720
19:18
Atlanta (ATL) S

21:04
Ontario, Los Angeles (ONT) 2
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 761)
Duration: 4:46, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
KLM KL6720
22:30
Ontario, Los Angeles (ONT) 2

05:34(+1)
Atlanta (ATL) S
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 761)
Duration: 4:04, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Ontario, Los Angeles (ONT)
  • Minneapolis/Saint Paul (MSP) - Toronto Pearson (YYZ)
  • Washington Dulles (IAD) - Atlanta (ATL)
All KLM flights
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