KLM flight KL 5621: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Sat 09:05 Atlanta (ATL) S 10:34 Melbourne (MLB)
KL 5621 Non-stop Boeing 717 (717) 1:29 Effective 2025-10-27 through 2025-11-01
Codeshare flight, operated by Delta Air Lines.(DL 3118)
Daily 11:16 Melbourne (MLB) 12:54 Atlanta (ATL) S
KL 5621 Non-stop Boeing 717 (717) 1:38 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 3118)
Daily 11:20 Melbourne (MLB) 12:58 Atlanta (ATL) S
KL 5621 Non-stop Boeing 717 (717) 1:38 Effective 2025-10-26 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 3118)
Daily 11:20 Melbourne (MLB) 13:00 Atlanta (ATL) S
KL 5621 Non-stop Boeing 717 (717) 1:40 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 3118)
Wed,Fri,Sun 15:00 Mexico City Benito Juarez (MEX) 2 19:17 Salt Lake City (SLC)
KL 5621 Non-stop Airbus A319 (319) 4:17 Effective 2025-07-09 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 642)
Wed,Fri,Sun 15:05 Mexico City Benito Juarez (MEX) 2 19:22 Salt Lake City (SLC)
KL 5621 Non-stop Airbus A319 (319) 4:17 Effective 2025-09-10 through 2025-10-05
Codeshare flight, operated by Delta Air Lines.(DL 642)
Wed,Fri,Sun 15:05 Mexico City Benito Juarez (MEX) 2 19:15 Salt Lake City (SLC)
KL 5621 Non-stop Airbus A319 (319) 4:10 Effective 2025-10-08 through 2025-10-24
Codeshare flight, operated by Delta Air Lines.(DL 642)
Wed,Fri,Sun 15:10 Mexico City Benito Juarez (MEX) 2 19:39 Salt Lake City (SLC)
KL 5621 Non-stop Airbus A319 (319) 4:29 Valid until 2025-05-04
Codeshare flight, operated by Delta Air Lines.(DL 642)
Wed,Fri,Sun 15:10 Mexico City Benito Juarez (MEX) 2 19:37 Salt Lake City (SLC)
KL 5621 Non-stop Airbus A319 (319) 4:27 Effective 2025-05-07 through 2025-05-25
Codeshare flight, operated by Delta Air Lines.(DL 642)
Mon-Wed,Fri-Sun 15:10 Mexico City Benito Juarez (MEX) 2 19:37 Salt Lake City (SLC)
KL 5621 Non-stop Airbus A319 (319) 4:27 Effective 2025-05-27 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 642)
Mon-Wed,Fri-Sun 15:10 Mexico City Benito Juarez (MEX) 2 19:33 Salt Lake City (SLC)
KL 5621 Non-stop Airbus A319 (319) 4:23 Effective 2025-06-08 through 2025-06-30
Codeshare flight, operated by Delta Air Lines.(DL 642)
Wed,Fri,Sun 15:10 Mexico City Benito Juarez (MEX) 2 19:33 Salt Lake City (SLC)
KL 5621 Non-stop Airbus A319 (319) 4:23 Effective 2025-07-02 through 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 642)
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This flight number is listed as serving the following routes:


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KLM flight KL 5621: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL5621
09:05
Atlanta (ATL) S

10:34
Melbourne (MLB)
Effective 2025-10-27 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3118)
Duration: 1:29, non-stop
Boeing 717 (717)
KLM KL5621
11:16
Melbourne (MLB)

12:54
Atlanta (ATL) S
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3118)
Duration: 1:38, non-stop
Boeing 717 (717)
KLM KL5621
11:20
Melbourne (MLB)

12:58
Atlanta (ATL) S
Effective 2025-10-26 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3118)
Duration: 1:38, non-stop
Boeing 717 (717)
KLM KL5621
11:20
Melbourne (MLB)

13:00
Atlanta (ATL) S
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3118)
Duration: 1:40, non-stop
Boeing 717 (717)
KLM KL5621
15:00
Mexico City Benito Juarez (MEX) 2

19:17
Salt Lake City (SLC)
Effective 2025-07-09 through 2025-09-07
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 642)
Duration: 4:17, non-stop
Airbus A319 (319)
KLM KL5621
15:05
Mexico City Benito Juarez (MEX) 2

19:22
Salt Lake City (SLC)
Effective 2025-09-10 through 2025-10-05
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 642)
Duration: 4:17, non-stop
Airbus A319 (319)
KLM KL5621
15:05
Mexico City Benito Juarez (MEX) 2

19:15
Salt Lake City (SLC)
Effective 2025-10-08 through 2025-10-24
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 642)
Duration: 4:10, non-stop
Airbus A319 (319)
KLM KL5621
15:10
Mexico City Benito Juarez (MEX) 2

19:39
Salt Lake City (SLC)
Valid until 2025-05-04
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 642)
Duration: 4:29, non-stop
Airbus A319 (319)
KLM KL5621
15:10
Mexico City Benito Juarez (MEX) 2

19:37
Salt Lake City (SLC)
Effective 2025-05-07 through 2025-05-25
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 642)
Duration: 4:27, non-stop
Airbus A319 (319)
KLM KL5621
15:10
Mexico City Benito Juarez (MEX) 2

19:37
Salt Lake City (SLC)
Effective 2025-05-27 through 2025-06-07
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 642)
Duration: 4:27, non-stop
Airbus A319 (319)
KLM KL5621
15:10
Mexico City Benito Juarez (MEX) 2

19:33
Salt Lake City (SLC)
Effective 2025-06-08 through 2025-06-30
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 642)
Duration: 4:23, non-stop
Airbus A319 (319)
KLM KL5621
15:10
Mexico City Benito Juarez (MEX) 2

19:33
Salt Lake City (SLC)
Effective 2025-07-02 through 2025-07-06
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 642)
Duration: 4:23, non-stop
Airbus A319 (319)
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This flight number is listed as serving the following routes:
  • Melbourne (MLB) - Atlanta (ATL)
  • Mexico City Benito Juarez (MEX) - Salt Lake City (SLC)
All KLM flights
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