KLM flight KL 6444: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri 13:40 Seattle-Tacoma (SEA) 15:56 San Francisco (SFO) 1
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:16 Effective 2026-02-12 through 2026-02-20
Codeshare flight, operated by Delta Air Lines.(DL 4451)
Mon-Fri,Sun 13:40 Seattle-Tacoma (SEA) 15:56 San Francisco (SFO) 1
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:16 Effective 2026-02-22 through 2026-03-06
Codeshare flight, operated by Delta Air Lines.(DL 4451)
Mon,Wed-Fri,Sun 13:45 Seattle-Tacoma (SEA) 16:03 San Francisco (SFO) 1
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:18 Effective 2026-03-08 through 2026-03-13
Codeshare flight, operated by Delta Air Lines.(DL 3707)
Mon,Wed-Fri,Sun 13:45 Seattle-Tacoma (SEA) 16:04 San Francisco (SFO) 1
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:19 Effective 2026-03-15 through 2026-03-27
Codeshare flight, operated by Delta Air Lines.(DL 3707)
Daily 15:15 Minneapolis/Saint Paul (MSP) 1 16:54 Saint Louis (STL) 1
KL 6444 Non-stop Canadair CRJ 900 (CR9) 1:39 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 5351)
Mon,Tue,Fri-Sun 15:30 Seattle-Tacoma (SEA) 17:50 San Francisco (SFO) 1
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:20 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 3720)
Wed,Thu 15:30 Seattle-Tacoma (SEA) 17:42 San Francisco (SFO) 1
KL 6444 Non-stop Boeing 737-800 (738) 2:12 Valid until 2026-01-01
Codeshare flight, operated by Delta Air Lines.(DL 1012)
Tue,Wed,Sat 15:30 Seattle-Tacoma (SEA) 17:49 San Francisco (SFO) 1
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:19 Effective 2026-01-20 through 2026-02-04
Codeshare flight, operated by Delta Air Lines.(DL 3991)
Tue,Wed 15:30 Seattle-Tacoma (SEA) 17:49 San Francisco (SFO) 1
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:19 Effective 2026-02-10 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 3991)
Tue,Sat 16:33 Seattle-Tacoma (SEA) 18:48 San Francisco (SFO) 1
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:15 Effective 2026-03-10 through 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 3991)
Tue,Sat 16:33 Seattle-Tacoma (SEA) 18:49 San Francisco (SFO) 1
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:16 Effective 2026-03-17 through 2026-03-28
Codeshare flight, operated by Delta Air Lines.(DL 3991)
Thu 16:40 San Francisco (SFO) 1 18:56 Seattle-Tacoma (SEA)
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:16 Effective 2026-02-12 through 2026-03-05
Codeshare flight, operated by Delta Air Lines.(DL 4451)
Sat,Sun 16:40 Seattle-Tacoma (SEA) 18:53 San Francisco (SFO) 1
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:13 Effective 2026-02-14 through 2026-02-21
Codeshare flight, operated by Delta Air Lines.(DL 3707)
Sat 16:40 Seattle-Tacoma (SEA) 18:53 San Francisco (SFO) 1
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:13 Effective 2026-02-28 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 3707)
Sat,Sun 16:45 Seattle-Tacoma (SEA) 19:00 San Francisco (SFO) 1
KL 6444 Non-stop Embraer EMB 175 (E7W) 2:15 Effective 2026-02-07 through 2026-02-08
Codeshare flight, operated by Delta Air Lines.(DL 3991)
Daily 20:30 Atlanta (ATL) S 22:12 Sioux Falls (FSD)
KL 6444 Non-stop Airbus A319 (319) 2:42 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 2615)
Daily 20:31 Atlanta (ATL) S 22:11 Sioux Falls (FSD)
KL 6444 Non-stop Airbus A319 (319) 2:40 Effective 2026-04-13 through 2026-07-06
Codeshare flight, operated by Delta Air Lines.(DL 2615)
Daily 20:31 Atlanta (ATL) S 22:09 Sioux Falls (FSD)
KL 6444 Non-stop Airbus A319 (319) 2:38 Effective 2026-07-07 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 2615)
Daily 20:31 Atlanta (ATL) S 22:12 Sioux Falls (FSD)
KL 6444 Non-stop Airbus A319 (319) 2:41 Effective 2026-10-06 through 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 2615)
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This flight number is listed as serving the following routes:


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KLM flight KL 6444: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6444
13:40
Seattle-Tacoma (SEA)

15:56
San Francisco (SFO) 1
Effective 2026-02-12 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4451)
Duration: 2:16, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
13:40
Seattle-Tacoma (SEA)

15:56
San Francisco (SFO) 1
Effective 2026-02-22 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4451)
Duration: 2:16, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
13:45
Seattle-Tacoma (SEA)

16:03
San Francisco (SFO) 1
Effective 2026-03-08 through 2026-03-13
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3707)
Duration: 2:18, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
13:45
Seattle-Tacoma (SEA)

16:04
San Francisco (SFO) 1
Effective 2026-03-15 through 2026-03-27
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3707)
Duration: 2:19, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
15:15
Minneapolis/Saint Paul (MSP) 1

16:54
Saint Louis (STL) 1
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5351)
Duration: 1:39, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL6444
15:30
Seattle-Tacoma (SEA)

17:50
San Francisco (SFO) 1
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3720)
Duration: 2:20, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
15:30
Seattle-Tacoma (SEA)

17:42
San Francisco (SFO) 1
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1012)
Duration: 2:12, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
KLM KL6444
15:30
Seattle-Tacoma (SEA)

17:49
San Francisco (SFO) 1
Effective 2026-01-20 through 2026-02-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:19, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
15:30
Seattle-Tacoma (SEA)

17:49
San Francisco (SFO) 1
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:19, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
16:33
Seattle-Tacoma (SEA)

18:48
San Francisco (SFO) 1
Effective 2026-03-10 through 2026-03-14
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:15, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
16:33
Seattle-Tacoma (SEA)

18:49
San Francisco (SFO) 1
Effective 2026-03-17 through 2026-03-28
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:16, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
16:40
San Francisco (SFO) 1

18:56
Seattle-Tacoma (SEA)
Effective 2026-02-12 through 2026-03-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4451)
Duration: 2:16, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
16:40
Seattle-Tacoma (SEA)

18:53
San Francisco (SFO) 1
Effective 2026-02-14 through 2026-02-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3707)
Duration: 2:13, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
16:40
Seattle-Tacoma (SEA)

18:53
San Francisco (SFO) 1
Effective 2026-02-28 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3707)
Duration: 2:13, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
16:45
Seattle-Tacoma (SEA)

19:00
San Francisco (SFO) 1
Effective 2026-02-07 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:15, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6444
20:30
Atlanta (ATL) S

22:12
Sioux Falls (FSD)
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2615)
Duration: 2:42, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6444
20:31
Atlanta (ATL) S

22:11
Sioux Falls (FSD)
Effective 2026-04-13 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2615)
Duration: 2:40, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6444
20:31
Atlanta (ATL) S

22:09
Sioux Falls (FSD)
Effective 2026-07-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2615)
Duration: 2:38, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6444
20:31
Atlanta (ATL) S

22:12
Sioux Falls (FSD)
Effective 2026-10-06 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2615)
Duration: 2:41, non-stop
Airbus A319 (319)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Sioux Falls (FSD)
  • Minneapolis/Saint Paul (MSP) - Saint Louis (STL)
  • San Francisco (SFO) - Seattle-Tacoma (SEA)
All KLM flights
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