KLM flight KL 5257: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 11:15 Miami (MIA) 14:53 Boston Logan (BOS) A KL 5257 Non-stop Boeing 737-800 (738) 3:38 Effective 2025-07-07 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 1399)
Daily 11:15 Miami (MIA) 14:39 Boston Logan (BOS) A KL 5257 Non-stop Boeing 737-800 (738) 3:24 Effective 2025-09-08 through 2025-10-24 Codeshare flight, operated by Delta Air Lines.(DL 1399)
Daily 11:24 Miami (MIA) 14:55 Boston Logan (BOS) A KL 5257 Non-stop Boeing 737-800 (738) 3:31 Effective 2025-06-08 through 2025-07-03 Codeshare flight, operated by Delta Air Lines.(DL 1399)
Sat,Sun 11:24 Miami (MIA) 14:55 Boston Logan (BOS) A KL 5257 Non-stop Boeing 737-800 (738) 3:31 Effective 2025-07-05 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 1399)
Fri 11:25 Miami (MIA) 15:01 Boston Logan (BOS) A KL 5257 Non-stop Boeing 737-800 (738) 3:36 Operates only on 2025-07-04 Codeshare flight, operated by Delta Air Lines.(DL 1399)
Daily 11:28 Miami (MIA) 14:55 Boston Logan (BOS) A KL 5257 Non-stop Boeing 737-800 (738) 3:27 Effective 2025-05-07 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 1399)
Mon-Fri,Sun 11:38 Miami (MIA) 15:00 Boston Logan (BOS) A KL 5257 Non-stop Boeing 737-800 (738) 3:22 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 1399)
Sat 11:55 Miami (MIA) 15:18 Boston Logan (BOS) A KL 5257 Non-stop Boeing 737-900 (739) 3:23 Operates only on 2025-05-03 Codeshare flight, operated by Delta Air Lines.(DL 1399)
Daily 14:11 Atlanta (ATL) S 15:53 Dulles, Washington (IAD) KL 5257 Non-stop Boeing 717 (717) 1:42 Effective 2025-12-20 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 1695)
Daily 14:55 Atlanta (ATL) S 16:36 Dulles, Washington (IAD) KL 5257 Non-stop Airbus A319 (319) 1:41 Effective 2025-10-26 through 2025-11-01 Codeshare flight, operated by Delta Air Lines.(DL 1695)
Daily 16:41 Dulles, Washington (IAD) 18:41 Atlanta (ATL) S KL 5257 Non-stop Boeing 717 (717) 2:00 Effective 2025-12-20 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 1695)
Daily 16:50 Dulles, Washington (IAD) 18:55 Atlanta (ATL) S KL 5257 Non-stop Airbus A320 (320) 2:05 Effective from 2026-01-06 Codeshare flight, operated by Delta Air Lines.(DL 1695)
Daily 17:25 Dulles, Washington (IAD) 19:29 Atlanta (ATL) S KL 5257 Non-stop Airbus A319 (319) 2:04 Effective 2025-10-26 through 2025-12-19 Codeshare flight, operated by Delta Air Lines.(DL 1695)

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This flight number is listed as serving the following routes:

Dulles, Washington (IAD) - Atlanta (ATL)
Miami (MIA) - Boston Logan (BOS)

All KLM flights

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KLM flight KL 5257: Multiple routes

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FLIGHT SCHEDULE

Direct Codeshare Flights:

KLM KL5257

11:15

Miami (MIA)

14:53

Boston Logan (BOS) A

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1399)

Duration: 3:38, non-stop
Boeing 737-800 (738)

KLM KL5257

11:15

Miami (MIA)

14:39

Boston Logan (BOS) A

Effective 2025-09-08 through 2025-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1399)

Duration: 3:24, non-stop
Boeing 737-800 (738)

KLM KL5257

11:24

Miami (MIA)

14:55

Boston Logan (BOS) A

Effective 2025-06-08 through 2025-07-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1399)

Duration: 3:31, non-stop
Boeing 737-800 (738)

KLM KL5257

11:24

Miami (MIA)

14:55

Boston Logan (BOS) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1399)

Duration: 3:31, non-stop
Boeing 737-800 (738)

KLM KL5257

11:25

Miami (MIA)

15:01

Boston Logan (BOS) A

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1399)

Duration: 3:36, non-stop
Boeing 737-800 (738)

KLM KL5257

11:28

Miami (MIA)

14:55

Boston Logan (BOS) A

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1399)

Duration: 3:27, non-stop
Boeing 737-800 (738)

KLM KL5257

11:38

Miami (MIA)

15:00

Boston Logan (BOS) A

Valid until 2025-05-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1399)

Duration: 3:22, non-stop
Boeing 737-800 (738)

KLM KL5257

11:55

Miami (MIA)

15:18

Boston Logan (BOS) A

Operates only on 2025-05-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1399)

Duration: 3:23, non-stop
Boeing 737-900 (739)

KLM KL5257

14:11

Atlanta (ATL) S

15:53

Dulles, Washington (IAD)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1695)

Duration: 1:42, non-stop
Boeing 717 (717)

KLM KL5257

14:55

Atlanta (ATL) S

16:36

Dulles, Washington (IAD)

Effective 2025-10-26 through 2025-11-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1695)

Duration: 1:41, non-stop
Airbus A319 (319)

KLM KL5257

16:41

Dulles, Washington (IAD)

18:41

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 1695)

Duration: 2:00, non-stop
Boeing 717 (717)

KLM KL5257

16:50

Dulles, Washington (IAD)

18:55

Atlanta (ATL) S

Effective from 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1695)

Duration: 2:05, non-stop
Airbus A320 (320)

KLM KL5257

17:25

Dulles, Washington (IAD)

19:29

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 1695)

Duration: 2:04, non-stop
Airbus A319 (319)

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This flight number is listed as serving the following routes:

Dulles, Washington (IAD) - Atlanta (ATL)
Miami (MIA) - Boston Logan (BOS)

All KLM flights

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