KLM flight KL 6621: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Fri 06:00 Panama City (ECP) 08:13 Atlanta (ATL) S KL 6621 Non-stop Boeing 737-900 (739) 1:13 Operates only on 2025-07-04 Codeshare flight, operated by Delta Air Lines.(DL 3114)
Daily 08:10 Atlanta (ATL) S 08:16 Panama City (ECP) KL 6621 Non-stop Boeing 737-800 (738) 1:06 Effective 2025-05-07 through 2025-05-23 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Mon-Fri,Sun 08:10 Atlanta (ATL) S 08:16 Panama City (ECP) KL 6621 Non-stop Boeing 737-800 (738) 1:06 Effective 2025-05-25 through 2025-06-06 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Mon-Fri,Sun 08:10 Atlanta (ATL) S 08:16 Panama City (ECP) KL 6621 Non-stop Boeing 717 (717) 1:06 Effective 2025-07-07 through 2025-08-29 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Mon-Fri,Sun 08:10 Atlanta (ATL) S 08:16 Panama City (ECP) KL 6621 Non-stop Boeing 717 (717) 1:06 Effective 2025-09-01 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Sat 08:20 Atlanta (ATL) S 08:30 Panama City (ECP) KL 6621 Non-stop Boeing 717 (717) 1:10 Effective 2025-06-14 through 2025-07-05 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Mon-Thu,Sun 08:20 Atlanta (ATL) S 08:30 Panama City (ECP) KL 6621 Non-stop Boeing 717 (717) 1:10 Effective 2025-06-30 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Wed,Sat 09:11 Panama City (ECP) 11:19 Atlanta (ATL) S KL 6621 Non-stop Boeing 737-800 (738) 1:08 Effective 2025-05-07 through 2025-05-17 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Sat 09:11 Panama City (ECP) 11:19 Atlanta (ATL) S KL 6621 Non-stop Boeing 737-800 (738) 1:08 Effective 2025-05-24 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Mon,Tue,Thu,Fri,Sun 09:12 Panama City (ECP) 11:20 Atlanta (ATL) S KL 6621 Non-stop Boeing 737-800 (738) 1:08 Effective 2025-05-08 through 2025-05-20 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Mon-Fri,Sun 09:12 Panama City (ECP) 11:20 Atlanta (ATL) S KL 6621 Non-stop Boeing 737-800 (738) 1:08 Effective 2025-05-21 through 2025-06-06 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Daily 09:13 Panama City (ECP) 11:22 Atlanta (ATL) S KL 6621 Non-stop Boeing 717 (717) 1:09 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Mon-Fri,Sun 09:16 Panama City (ECP) 11:31 Atlanta (ATL) S KL 6621 Non-stop Boeing 717 (717) 1:15 Effective 2025-06-08 through 2025-06-20 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Mon-Fri,Sun 09:16 Panama City (ECP) 11:31 Atlanta (ATL) S KL 6621 Non-stop Boeing 717 (717) 1:15 Effective 2025-06-23 through 2025-06-29 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Mon-Thu,Sun 09:16 Panama City (ECP) 11:31 Atlanta (ATL) S KL 6621 Non-stop Boeing 717 (717) 1:15 Effective 2025-06-30 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Mon-Fri,Sun 09:23 Panama City (ECP) 11:35 Atlanta (ATL) S KL 6621 Non-stop Boeing 717 (717) 1:12 Effective 2025-07-07 through 2025-08-29 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Sat 09:23 Panama City (ECP) 11:35 Atlanta (ATL) S KL 6621 Non-stop Boeing 717 (717) 1:12 Effective 2025-07-12 through 2025-08-09 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Mon-Fri,Sun 09:23 Panama City (ECP) 11:35 Atlanta (ATL) S KL 6621 Non-stop Boeing 717 (717) 1:12 Effective 2025-09-01 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Sun 09:35 Panama City (ECP) 11:47 Atlanta (ATL) S KL 6621 Non-stop Boeing 717 (717) 1:12 Operates only on 2025-06-22 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Sat 10:00 Panama City (ECP) 12:15 Atlanta (ATL) S KL 6621 Non-stop Boeing 717 (717) 1:15 Effective 2025-06-14 through 2025-07-05 Codeshare flight, operated by Delta Air Lines.(DL 3048)
Daily 18:10 Atlanta (ATL) S 20:14 Santa Barbara (SBA) KL 6621 Non-stop Airbus A220-300 (223) 5:04 Effective 2025-10-26 through 2025-12-19 Codeshare flight, operated by Delta Air Lines.(DL 1794)
Daily 18:10 Atlanta (ATL) S 20:27 Santa Barbara (SBA) KL 6621 Non-stop Airbus A220-300 (223) 5:17 Effective from 2026-01-06 Codeshare flight, operated by Delta Air Lines.(DL 720)
Daily 19:25 Atlanta (ATL) S 21:25 Santa Barbara (SBA) KL 6621 Non-stop Airbus A220-300 (223) 5:00 Effective 2025-12-20 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 720)

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This flight number is listed as serving the following routes:

Atlanta (ATL) - Santa Barbara (SBA)
Panama City (ECP) - Atlanta (ATL)

All KLM flights

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KLM flight KL 6621: Multiple routes

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FLIGHT SCHEDULE

Direct Codeshare Flights:

KLM KL6621

06:00

Panama City (ECP)

08:13

Atlanta (ATL) S

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 3114)

Duration: 1:13, non-stop
Boeing 737-900 (739)

KLM KL6621

08:10

Atlanta (ATL) S

08:16

Panama City (ECP)

Effective 2025-05-07 through 2025-05-23

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:06, non-stop
Boeing 737-800 (738)

KLM KL6621

08:10

Atlanta (ATL) S

08:16

Panama City (ECP)

Effective 2025-05-25 through 2025-06-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:06, non-stop
Boeing 737-800 (738)

KLM KL6621

08:10

Atlanta (ATL) S

08:16

Panama City (ECP)

Effective 2025-07-07 through 2025-08-29

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:06, non-stop
Boeing 717 (717)

KLM KL6621

08:10

Atlanta (ATL) S

08:16

Panama City (ECP)

Effective 2025-09-01 through 2025-09-07

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:06, non-stop
Boeing 717 (717)

KLM KL6621

08:20

Atlanta (ATL) S

08:30

Panama City (ECP)

Effective 2025-06-14 through 2025-07-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:10, non-stop
Boeing 717 (717)

KLM KL6621

08:20

Atlanta (ATL) S

08:30

Panama City (ECP)

Effective 2025-06-30 through 2025-07-06

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:10, non-stop
Boeing 717 (717)

KLM KL6621

09:11

Panama City (ECP)

11:19

Atlanta (ATL) S

Effective 2025-05-07 through 2025-05-17

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:08, non-stop
Boeing 737-800 (738)

KLM KL6621

09:11

Panama City (ECP)

11:19

Atlanta (ATL) S

Effective 2025-05-24 through 2025-06-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:08, non-stop
Boeing 737-800 (738)

KLM KL6621

09:12

Panama City (ECP)

11:20

Atlanta (ATL) S

Effective 2025-05-08 through 2025-05-20

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:08, non-stop
Boeing 737-800 (738)

KLM KL6621

09:12

Panama City (ECP)

11:20

Atlanta (ATL) S

Effective 2025-05-21 through 2025-06-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:08, non-stop
Boeing 737-800 (738)

KLM KL6621

09:13

Panama City (ECP)

11:22

Atlanta (ATL) S

Valid until 2025-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:09, non-stop
Boeing 717 (717)

KLM KL6621

09:16

Panama City (ECP)

11:31

Atlanta (ATL) S

Effective 2025-06-08 through 2025-06-20

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:15, non-stop
Boeing 717 (717)

KLM KL6621

09:16

Panama City (ECP)

11:31

Atlanta (ATL) S

Effective 2025-06-23 through 2025-06-29

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:15, non-stop
Boeing 717 (717)

KLM KL6621

09:16

Panama City (ECP)

11:31

Atlanta (ATL) S

Effective 2025-06-30 through 2025-07-06

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:15, non-stop
Boeing 717 (717)

KLM KL6621

09:23

Panama City (ECP)

11:35

Atlanta (ATL) S

Effective 2025-07-07 through 2025-08-29

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:12, non-stop
Boeing 717 (717)

KLM KL6621

09:23

Panama City (ECP)

11:35

Atlanta (ATL) S

Effective 2025-07-12 through 2025-08-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:12, non-stop
Boeing 717 (717)

KLM KL6621

09:23

Panama City (ECP)

11:35

Atlanta (ATL) S

Effective 2025-09-01 through 2025-09-07

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:12, non-stop
Boeing 717 (717)

KLM KL6621

09:35

Panama City (ECP)

11:47

Atlanta (ATL) S

Operates only on 2025-06-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:12, non-stop
Boeing 717 (717)

KLM KL6621

10:00

Panama City (ECP)

12:15

Atlanta (ATL) S

Effective 2025-06-14 through 2025-07-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 3048)

Duration: 1:15, non-stop
Boeing 717 (717)

KLM KL6621

18:10

Atlanta (ATL) S

20:14

Santa Barbara (SBA)

Effective 2025-10-26 through 2025-12-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1794)

Duration: 5:04, non-stop
Airbus A220-300 (223)

KLM KL6621

18:10

Atlanta (ATL) S

20:27

Santa Barbara (SBA)

Effective from 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 720)

Duration: 5:17, non-stop
Airbus A220-300 (223)

KLM KL6621

19:25

Atlanta (ATL) S

21:25

Santa Barbara (SBA)

Effective 2025-12-20 through 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 720)

Duration: 5:00, non-stop
Airbus A220-300 (223)

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This flight number is listed as serving the following routes:

Atlanta (ATL) - Santa Barbara (SBA)
Panama City (ECP) - Atlanta (ATL)

All KLM flights

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- CACHE: False - LANG: en - IS_EU: False