KLM flight KL 5439: Multiple routes

FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 07:00 Milwaukee (MKE) 10:06 Atlanta (ATL) S KL 5439 Non-stop Boeing 737-800 (738) 2:06 Effective 2026-04-18 through 2026-05-02 Codeshare flight, operated by Delta Air Lines.(DL 1236)
Mon-Thu,Sun 08:05 Atlanta (ATL) S 08:29 Mobile (MOB) KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:24 Effective 2026-01-06 through 2026-01-15 Codeshare flight, operated by Delta Air Lines.(DL 5439)
Mon-Fri 08:05 Atlanta (ATL) S 08:29 Mobile (MOB) KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:24 Effective 2026-01-16 through 2026-01-23 Codeshare flight, operated by Delta Air Lines.(DL 5439)
Daily 08:05 Atlanta (ATL) S 08:29 Mobile (MOB) KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:24 Effective 2026-01-24 through 2026-01-30 Codeshare flight, operated by Delta Air Lines.(DL 5439)
Daily 08:05 Atlanta (ATL) S 08:29 Mobile (MOB) KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:24 Effective 2026-02-01 through 2026-02-07 Codeshare flight, operated by Delta Air Lines.(DL 5439)
Mon-Wed 08:05 Atlanta (ATL) S 08:29 Mobile (MOB) KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:24 Effective 2026-02-09 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 5439)
Daily 08:09 Atlanta (ATL) S 08:35 Mobile (MOB) KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:26 Effective 2026-03-08 through 2026-03-28 Codeshare flight, operated by Delta Air Lines.(DL 5174)
Thu,Fri,Sun 08:10 Atlanta (ATL) S 08:32 Mobile (MOB) KL 5439 Non-stop Embraer EMB 175 (E7W) 1:22 Effective 2026-02-12 through 2026-02-15 Codeshare flight, operated by Delta Air Lines.(DL 4139)
Mon,Fri,Sun 08:10 Atlanta (ATL) S 08:32 Mobile (MOB) KL 5439 Non-stop Embraer EMB 175 (E7W) 1:22 Effective 2026-02-22 through 2026-03-02 Codeshare flight, operated by Delta Air Lines.(DL 4139)
Thu,Fri 08:10 Atlanta (ATL) S 08:32 Mobile (MOB) KL 5439 Non-stop Embraer EMB 175 (E7W) 1:22 Effective 2026-03-05 through 2026-03-06 Codeshare flight, operated by Delta Air Lines.(DL 4139)
Sat 08:21 Atlanta (ATL) S 08:45 Mobile (MOB) KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:24 Operates only on 2026-01-31 Codeshare flight, operated by Delta Air Lines.(DL 5439)
Daily 08:30 Atlanta (ATL) S 10:46 Hartford (BDL) KL 5439 Non-stop Airbus A321 (321) 2:16 Effective from 2026-10-26 Codeshare flight, operated by Delta Air Lines.(DL 2951)
Mon-Thu,Sun 09:10 Mobile (MOB) 11:31 Atlanta (ATL) S KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:21 Effective 2026-01-06 through 2026-01-15 Codeshare flight, operated by Delta Air Lines.(DL 5439)
Mon-Fri 09:10 Mobile (MOB) 11:31 Atlanta (ATL) S KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:21 Effective 2026-01-16 through 2026-01-23 Codeshare flight, operated by Delta Air Lines.(DL 5439)
Daily 09:10 Mobile (MOB) 11:31 Atlanta (ATL) S KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:21 Effective 2026-01-24 through 2026-01-30 Codeshare flight, operated by Delta Air Lines.(DL 5439)
Daily 09:14 Mobile (MOB) 11:35 Atlanta (ATL) S KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:21 Effective 2026-02-01 through 2026-02-07 Codeshare flight, operated by Delta Air Lines.(DL 5439)
Mon-Wed 09:14 Mobile (MOB) 11:35 Atlanta (ATL) S KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:21 Effective 2026-02-09 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 5439)
Thu,Fri,Sun 09:14 Mobile (MOB) 11:33 Atlanta (ATL) S KL 5439 Non-stop Embraer EMB 175 (E7W) 1:19 Effective 2026-02-12 through 2026-02-15 Codeshare flight, operated by Delta Air Lines.(DL 4139)
Mon,Thu,Fri,Sun 09:14 Mobile (MOB) 11:33 Atlanta (ATL) S KL 5439 Non-stop Embraer EMB 175 (E7W) 1:19 Effective 2026-02-22 through 2026-03-06 Codeshare flight, operated by Delta Air Lines.(DL 4139)
Daily 09:15 Mobile (MOB) 11:35 Atlanta (ATL) S KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:20 Effective 2026-03-08 through 2026-03-28 Codeshare flight, operated by Delta Air Lines.(DL 5174)
Sat 09:25 Mobile (MOB) 11:46 Atlanta (ATL) S KL 5439 Non-stop Canadair CRJ 900 (CR9) 1:21 Operates only on 2026-01-31 Codeshare flight, operated by Delta Air Lines.(DL 5439)
Daily 11:50 Hartford (BDL) 14:30 Atlanta (ATL) S KL 5439 Non-stop Airbus A321 (321) 2:40 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 2951)
Mon,Thu,Fri,Sun 12:11 Milwaukee (MKE) 15:14 Atlanta (ATL) S KL 5439 Non-stop Boeing 737-900 (739) 2:03 Effective 2026-03-29 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 1151)
Mon,Thu,Fri,Sun 12:20 Milwaukee (MKE) 15:30 Atlanta (ATL) S KL 5439 Non-stop Boeing 737-800 (738) 2:10 Effective 2026-04-13 through 2026-05-04 Codeshare flight, operated by Delta Air Lines.(DL 1159)
Daily 12:20 Milwaukee (MKE) 15:31 Atlanta (ATL) S KL 5439 Non-stop Boeing 737-800 (738) 2:11 Effective 2026-05-07 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 1159)
Daily 12:20 Milwaukee (MKE) 15:24 Atlanta (ATL) S KL 5439 Non-stop Boeing 737-800 (738) 2:04 Effective 2026-10-06 through 2026-10-24 Codeshare flight, operated by Delta Air Lines.(DL 1159)
Tue,Wed 13:11 Milwaukee (MKE) 16:13 Atlanta (ATL) S KL 5439 Non-stop Boeing 737-900 (739) 2:02 Effective 2026-03-31 through 2026-04-08 Codeshare flight, operated by Delta Air Lines.(DL 1151)
Sat 13:15 Milwaukee (MKE) 16:18 Atlanta (ATL) S KL 5439 Non-stop Boeing 737-900 (739) 2:03 Effective 2026-04-04 through 2026-04-11 Codeshare flight, operated by Delta Air Lines.(DL 1151)
Sat 15:45 Atlanta (ATL) S 16:07 Mobile (MOB) KL 5439 Non-stop Canadair CRJ 700 (CR7) 1:22 Effective 2026-02-21 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 4704)
Sat 16:01 Mobile (MOB) 18:21 Atlanta (ATL) S KL 5439 Non-stop Canadair CRJ 700 (CR7) 1:20 Operates only on 2026-02-14 Codeshare flight, operated by Delta Air Lines.(DL 4704)
Sat 17:00 Mobile (MOB) 19:23 Atlanta (ATL) S KL 5439 Non-stop Canadair CRJ 700 (CR7) 1:23 Effective 2026-02-21 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 4704)
Mon-Fri 17:59 Atlanta (ATL) S 18:11 Mobile (MOB) KL 5439 Non-stop Boeing 717 (717) 1:12 Effective 2026-02-16 through 2026-02-20 Codeshare flight, operated by Delta Air Lines.(DL 2150)
Tue,Wed 17:59 Atlanta (ATL) S 18:11 Mobile (MOB) KL 5439 Non-stop Boeing 717 (717) 1:12 Effective 2026-02-24 through 2026-03-04 Codeshare flight, operated by Delta Air Lines.(DL 2150)
Mon-Fri 18:58 Mobile (MOB) 21:30 Atlanta (ATL) S KL 5439 Non-stop Boeing 717 (717) 1:32 Effective 2026-02-16 through 2026-02-20 Codeshare flight, operated by Delta Air Lines.(DL 2150)
Tue 18:58 Mobile (MOB) 21:30 Atlanta (ATL) S KL 5439 Non-stop Boeing 717 (717) 1:32 Effective 2026-02-24 through 2026-03-03 Codeshare flight, operated by Delta Air Lines.(DL 2150)
Wed 18:58 Mobile (MOB) 21:30 Atlanta (ATL) S KL 5439 Non-stop Boeing 717 (717) 1:32 Operates only on 2026-03-04 Codeshare flight, operated by Delta Air Lines.(DL 2150)

This flight number is listed as serving the following routes:

Atlanta (ATL) - Hartford (BDL)
Atlanta (ATL) - Mobile (MOB)
Milwaukee (MKE) - Atlanta (ATL)

All KLM flights

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KLM flight KL 5439: Multiple routes

FLIGHT SCHEDULE

Direct Codeshare Flights:

KLM KL5439

07:00

Milwaukee (MKE)

10:06

Atlanta (ATL) S

Effective 2026-04-18 through 2026-05-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1236)

Duration: 2:06, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

KLM KL5439

08:05

Atlanta (ATL) S

08:29

Mobile (MOB)

Effective 2026-01-06 through 2026-01-15

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 5439)

Duration: 1:24, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

08:05

Atlanta (ATL) S

08:29

Mobile (MOB)

Effective 2026-01-16 through 2026-01-23

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 5439)

Duration: 1:24, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

08:05

Atlanta (ATL) S

08:29

Mobile (MOB)

Effective 2026-01-24 through 2026-01-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 5439)

Duration: 1:24, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

08:05

Atlanta (ATL) S

08:29

Mobile (MOB)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 5439)

Duration: 1:24, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

08:05

Atlanta (ATL) S

08:29

Mobile (MOB)

Effective 2026-02-09 through 2026-02-11

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 5439)

Duration: 1:24, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

08:09

Atlanta (ATL) S

08:35

Mobile (MOB)

Effective 2026-03-08 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 5174)

Duration: 1:26, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

08:10

Atlanta (ATL) S

08:32

Mobile (MOB)

Effective 2026-02-12 through 2026-02-15

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4139)

Duration: 1:22, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

KLM KL5439

08:10

Atlanta (ATL) S

08:32

Mobile (MOB)

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4139)

Duration: 1:22, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

KLM KL5439

08:10

Atlanta (ATL) S

08:32

Mobile (MOB)

Effective 2026-03-05 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 4139)

Duration: 1:22, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

KLM KL5439

08:21

Atlanta (ATL) S

08:45

Mobile (MOB)

Operates only on 2026-01-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 5439)

Duration: 1:24, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

08:30

Atlanta (ATL) S

10:46

Hartford (BDL)

Effective from 2026-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2951)

Duration: 2:16, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5439

09:10

Mobile (MOB)

11:31

Atlanta (ATL) S

Effective 2026-01-06 through 2026-01-15

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 5439)

Duration: 1:21, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

09:10

Mobile (MOB)

11:31

Atlanta (ATL) S

Effective 2026-01-16 through 2026-01-23

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 5439)

Duration: 1:21, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

09:10

Mobile (MOB)

11:31

Atlanta (ATL) S

Effective 2026-01-24 through 2026-01-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 5439)

Duration: 1:21, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

09:14

Mobile (MOB)

11:35

Atlanta (ATL) S

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 5439)

Duration: 1:21, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

09:14

Mobile (MOB)

11:35

Atlanta (ATL) S

Effective 2026-02-09 through 2026-02-11

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 5439)

Duration: 1:21, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

09:14

Mobile (MOB)

11:33

Atlanta (ATL) S

Effective 2026-02-12 through 2026-02-15

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4139)

Duration: 1:19, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

KLM KL5439

09:14

Mobile (MOB)

11:33

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 4139)

Duration: 1:19, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

KLM KL5439

09:15

Mobile (MOB)

11:35

Atlanta (ATL) S

Effective 2026-03-08 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 5174)

Duration: 1:20, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

09:25

Mobile (MOB)

11:46

Atlanta (ATL) S

Operates only on 2026-01-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 5439)

Duration: 1:21, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

KLM KL5439

11:50

Hartford (BDL)

14:30

Atlanta (ATL) S

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2951)

Duration: 2:40, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

KLM KL5439

12:11

Milwaukee (MKE)

15:14

Atlanta (ATL) S

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1151)

Duration: 2:03, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

KLM KL5439

12:20

Milwaukee (MKE)

15:30

Atlanta (ATL) S

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1159)

Duration: 2:10, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

KLM KL5439

12:20

Milwaukee (MKE)

15:31

Atlanta (ATL) S

Effective 2026-05-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1159)

Duration: 2:11, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

KLM KL5439

12:20

Milwaukee (MKE)

15:24

Atlanta (ATL) S

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1159)

Duration: 2:04, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

KLM KL5439

13:11

Milwaukee (MKE)

16:13

Atlanta (ATL) S

Effective 2026-03-31 through 2026-04-08

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1151)

Duration: 2:02, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

KLM KL5439

13:15

Milwaukee (MKE)

16:18

Atlanta (ATL) S

Effective 2026-04-04 through 2026-04-11

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 1151)

Duration: 2:03, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

KLM KL5439

15:45

Atlanta (ATL) S

16:07

Mobile (MOB)

Effective 2026-02-21 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 4704)

Duration: 1:22, non-stop
Canadair CRJ 700 (CR7)

Direct Codeshare Flights:

KLM KL5439

16:01

Mobile (MOB)

18:21

Atlanta (ATL) S

Operates only on 2026-02-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 4704)

Duration: 1:20, non-stop
Canadair CRJ 700 (CR7)

Direct Codeshare Flights:

KLM KL5439

17:00

Mobile (MOB)

19:23

Atlanta (ATL) S

Effective 2026-02-21 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 4704)

Duration: 1:23, non-stop
Canadair CRJ 700 (CR7)

Direct Codeshare Flights:

KLM KL5439

17:59

Atlanta (ATL) S

18:11

Mobile (MOB)

Effective 2026-02-16 through 2026-02-20

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 2150)

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

Direct Codeshare Flights:

KLM KL5439

17:59

Atlanta (ATL) S

18:11

Mobile (MOB)

Effective 2026-02-24 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 2150)

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

Direct Codeshare Flights:

KLM KL5439

18:58

Mobile (MOB)

21:30

Atlanta (ATL) S

Effective 2026-02-16 through 2026-02-20

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 2150)

Duration: 1:32, non-stop
Boeing 717 (717)

Direct Codeshare Flights:

KLM KL5439

18:58

Mobile (MOB)

21:30

Atlanta (ATL) S

Effective 2026-02-24 through 2026-03-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 2150)

Duration: 1:32, non-stop
Boeing 717 (717)

Direct Codeshare Flights:

KLM KL5439

18:58

Mobile (MOB)

21:30

Atlanta (ATL) S

Operates only on 2026-03-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 2150)

Duration: 1:32, non-stop
Boeing 717 (717)

This flight number is listed as serving the following routes:

Atlanta (ATL) - Hartford (BDL)
Atlanta (ATL) - Mobile (MOB)
Milwaukee (MKE) - Atlanta (ATL)

All KLM flights

Feedback - Disclaimer - Privacy