KLM flight KL 5261: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 05:30 Houston George Bush (IAH) A 08:34 Atlanta (ATL) S KL 5261 Non-stop Airbus A321 (321) 2:04 Operates only on 2026-01-17 Codeshare flight, operated by Delta Air Lines.(DL 1069)
Mon-Fri 07:25 Atlanta (ATL) S 08:49 Houston George Bush (IAH) A KL 5261 Non-stop Airbus A321 (321) 2:24 Effective 2026-01-19 through 2026-02-20 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Tue,Wed 07:25 Atlanta (ATL) S 08:49 Houston George Bush (IAH) A KL 5261 Non-stop Airbus A321 (321) 2:24 Effective 2026-02-24 through 2026-02-25 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Mon-Fri 08:05 Atlanta (ATL) S 09:28 Houston George Bush (IAH) A KL 5261 Non-stop Airbus A321 (321) 2:23 Effective 2026-01-05 through 2026-01-16 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Mon-Fri,Sun 09:54 Houston George Bush (IAH) A 13:03 Atlanta (ATL) S KL 5261 Non-stop Airbus A321 (321) 2:09 Effective 2026-01-19 through 2026-02-06 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Mon-Fri 09:54 Houston George Bush (IAH) A 13:03 Atlanta (ATL) S KL 5261 Non-stop Airbus A321 (321) 2:09 Effective 2026-02-09 through 2026-02-20 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Mon-Fri,Sun 09:54 Houston George Bush (IAH) A 13:03 Atlanta (ATL) S KL 5261 Non-stop Airbus A321 (321) 2:09 Effective 2026-02-22 through 2026-03-06 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Mon-Fri,Sun 10:33 Houston George Bush (IAH) A 13:37 Atlanta (ATL) S KL 5261 Non-stop Airbus A321 (321) 2:04 Effective 2026-01-05 through 2026-01-18 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Sat 10:33 Houston George Bush (IAH) A 13:37 Atlanta (ATL) S KL 5261 Non-stop Airbus A320 (320) 2:04 Operates only on 2026-01-24 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Sun 10:40 Houston George Bush (IAH) A 13:44 Atlanta (ATL) S KL 5261 Non-stop Airbus A321 (321) 2:04 Operates only on 2026-02-15 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Sat 10:44 Houston George Bush (IAH) A 13:48 Atlanta (ATL) S KL 5261 Non-stop Airbus A321 (321) 2:04 Effective 2026-01-31 through 2026-02-07 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Sun 10:45 Houston George Bush (IAH) A 13:49 Atlanta (ATL) S KL 5261 Non-stop Airbus A321 (321) 2:04 Operates only on 2026-02-08 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Sat 11:19 Houston George Bush (IAH) A 14:19 Atlanta (ATL) S KL 5261 Non-stop Airbus A321 (321) 2:00 Effective 2026-03-14 through 2026-03-28 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Tue,Wed 11:35 Houston George Bush (IAH) A 14:35 Atlanta (ATL) S KL 5261 Non-stop Airbus A321 (321) 2:00 Effective 2026-03-10 through 2026-03-25 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Daily 11:58 Houston George Bush (IAH) A 15:02 Atlanta (ATL) S KL 5261 Non-stop Boeing 717 (717) 2:04 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 1585)
Sat 14:23 Houston George Bush (IAH) A 17:19 Atlanta (ATL) S KL 5261 Non-stop Airbus A321 (321) 1:56 Effective 2026-02-14 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 1573)
Mon-Fri,Sun 17:20 Atlanta (ATL) S 18:13 Knoxville (TYS) KL 5261 Non-stop Boeing 737-900 (739) 0:53 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 3042)
Daily 18:30 Atlanta (ATL) S 20:31 Philadelphia (PHL) D KL 5261 Non-stop Airbus A321 (321) 2:01 Effective 2026-05-07 through 2026-07-06 Codeshare flight, operated by Delta Air Lines.(DL 2065)
Daily 18:30 Atlanta (ATL) S 20:33 Philadelphia (PHL) D KL 5261 Non-stop Airbus A321 (321) 2:03 Effective 2026-07-07 through 2026-09-09 Codeshare flight, operated by Delta Air Lines.(DL 2065)
Daily 18:40 Atlanta (ATL) S 20:41 Philadelphia (PHL) D KL 5261 Non-stop Airbus A321 (321) 2:01 Effective 2026-04-13 through 2026-05-06 Codeshare flight, operated by Delta Air Lines.(DL 2065)
Daily 18:40 Atlanta (ATL) S 20:43 Philadelphia (PHL) D KL 5261 Non-stop Airbus A321 (321) 2:03 Effective 2026-09-10 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 2065)
Daily 18:40 Atlanta (ATL) S 20:37 Philadelphia (PHL) D KL 5261 Non-stop Airbus A321 (321) 1:57 Effective 2026-10-06 through 2026-10-24 Codeshare flight, operated by Delta Air Lines.(DL 2065)
Daily 18:59 Atlanta (ATL) S 20:52 Philadelphia (PHL) D KL 5261 Non-stop Airbus A321 (321) 1:53 Effective 2026-03-29 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 2065)
Mon-Fri,Sun 19:20 Knoxville (TYS) 20:34 Atlanta (ATL) S KL 5261 Non-stop Boeing 737-900 (739) 1:14 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 3042)

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This flight number is listed as serving the following routes:

Atlanta (ATL) - Philadelphia (PHL)
Houston George Bush (IAH) - Atlanta (ATL)
Knoxville (TYS) - Atlanta (ATL)

All KLM flights

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KLM flight KL 5261: Multiple routes

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FLIGHT SCHEDULE

Direct Codeshare Flights:

KLM KL5261

05:30

Houston George Bush (IAH) A

08:34

Atlanta (ATL) S

Operates only on 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1069)

Duration: 2:04, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

07:25

Atlanta (ATL) S

08:49

Houston George Bush (IAH) A

Effective 2026-01-19 through 2026-02-20

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:24, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

07:25

Atlanta (ATL) S

08:49

Houston George Bush (IAH) A

Effective 2026-02-24 through 2026-02-25

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:24, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

08:05

Atlanta (ATL) S

09:28

Houston George Bush (IAH) A

Effective 2026-01-05 through 2026-01-16

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:23, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

09:54

Houston George Bush (IAH) A

13:03

Atlanta (ATL) S

Effective 2026-01-19 through 2026-02-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:09, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

09:54

Houston George Bush (IAH) A

13:03

Atlanta (ATL) S

Effective 2026-02-09 through 2026-02-20

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:09, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

09:54

Houston George Bush (IAH) A

13:03

Atlanta (ATL) S

Effective 2026-02-22 through 2026-03-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:09, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

10:33

Houston George Bush (IAH) A

13:37

Atlanta (ATL) S

Effective 2026-01-05 through 2026-01-18

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:04, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

10:33

Houston George Bush (IAH) A

13:37

Atlanta (ATL) S

Operates only on 2026-01-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:04, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

KLM KL5261

10:40

Houston George Bush (IAH) A

13:44

Atlanta (ATL) S

Operates only on 2026-02-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:04, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

10:44

Houston George Bush (IAH) A

13:48

Atlanta (ATL) S

Effective 2026-01-31 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:04, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

10:45

Houston George Bush (IAH) A

13:49

Atlanta (ATL) S

Operates only on 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:04, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

11:19

Houston George Bush (IAH) A

14:19

Atlanta (ATL) S

Effective 2026-03-14 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:00, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

11:35

Houston George Bush (IAH) A

14:35

Atlanta (ATL) S

Effective 2026-03-10 through 2026-03-25

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:00, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

11:58

Houston George Bush (IAH) A

15:02

Atlanta (ATL) S

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1585)

Duration: 2:04, non-stop
Boeing 717 (717)

Direct Codeshare Flights:

KLM KL5261

14:23

Houston George Bush (IAH) A

17:19

Atlanta (ATL) S

Effective 2026-02-14 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1573)

Duration: 1:56, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

17:20

Atlanta (ATL) S

18:13

Knoxville (TYS)

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3042)

Duration: 0:53, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

KLM KL5261

18:30

Atlanta (ATL) S

20:31

Philadelphia (PHL) D

Effective 2026-05-07 through 2026-07-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2065)

Duration: 2:01, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

18:30

Atlanta (ATL) S

20:33

Philadelphia (PHL) D

Effective 2026-07-07 through 2026-09-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2065)

Duration: 2:03, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

18:40

Atlanta (ATL) S

20:41

Philadelphia (PHL) D

Effective 2026-04-13 through 2026-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2065)

Duration: 2:01, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

18:40

Atlanta (ATL) S

20:43

Philadelphia (PHL) D

Effective 2026-09-10 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2065)

Duration: 2:03, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

18:40

Atlanta (ATL) S

20:37

Philadelphia (PHL) D

Effective 2026-10-06 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2065)

Duration: 1:57, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

18:59

Atlanta (ATL) S

20:52

Philadelphia (PHL) D

Effective 2026-03-29 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2065)

Duration: 1:53, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5261

19:20

Knoxville (TYS)

20:34

Atlanta (ATL) S

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 3042)

Duration: 1:14, non-stop
Boeing 737-900 (739)

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This flight number is listed as serving the following routes:

Atlanta (ATL) - Philadelphia (PHL)
Houston George Bush (IAH) - Atlanta (ATL)
Knoxville (TYS) - Atlanta (ATL)

All KLM flights

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