KLM flight KL 5423: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sun 09:40 Atlanta (ATL) S 10:31 Lafayette (LFT)
KL 5423 Non-stop Canadair CRJ 700 (CR7) 1:51 Operates only on 2026-03-29
Codeshare flight, operated by Delta Air Lines.(DL 5526)
Daily 11:00 Lafayette (LFT) 13:47 Atlanta (ATL) S
KL 5423 Non-stop Canadair CRJ 900 (CR9) 1:47 Effective 2026-04-13 through 2026-07-06
Codeshare flight, operated by Delta Air Lines.(DL 5526)
Daily 11:00 Lafayette (LFT) 13:48 Atlanta (ATL) S
KL 5423 Non-stop Canadair CRJ 900 (CR9) 1:48 Effective 2026-07-07 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 5526)
Daily 11:00 Lafayette (LFT) 13:45 Atlanta (ATL) S
KL 5423 Non-stop Canadair CRJ 900 (CR9) 1:45 Effective 2026-10-06 through 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 5526)
Daily 11:17 Lafayette (LFT) 13:59 Atlanta (ATL) S
KL 5423 Non-stop Canadair CRJ 700 (CR7) 1:42 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 5526)
Daily 19:21 Atlanta (ATL) S 20:40 Oklahoma City (OKC)
KL 5423 Non-stop Airbus A320 (320) 2:19 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 2784)
Sat 21:15 Atlanta (ATL) S 22:56 Washington Dulles (IAD)
KL 5423 Non-stop Airbus A319 (319) 1:41 Effective 2026-03-14 through 2026-03-28
Codeshare flight, operated by Delta Air Lines.(DL 2549)
Daily 21:59 Atlanta (ATL) S 23:37 Washington Dulles (IAD)
KL 5423 Non-stop Airbus A220-300 (223) 1:38 Effective 2026-01-05 through 2026-01-17
Codeshare flight, operated by Delta Air Lines.(DL 2549)
Mon,Tue,Fri-Sun 22:34 Atlanta (ATL) S 00:12 Washington Dulles (IAD)
KL 5423 Non-stop Airbus A220-300 (223) 1:38 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 2549)
The flight arrives 1 day after departure.
Daily 22:45 Atlanta (ATL) S 00:24 Washington Dulles (IAD)
KL 5423 Non-stop Airbus A220-300 (223) 1:39 Effective 2026-01-19 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 2549)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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KLM flight KL 5423: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL5423
09:40
Atlanta (ATL) S

10:31
Lafayette (LFT)
Operates only on 2026-03-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5526)
Duration: 1:51, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
KLM KL5423
11:00
Lafayette (LFT)

13:47
Atlanta (ATL) S
Effective 2026-04-13 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5526)
Duration: 1:47, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL5423
11:00
Lafayette (LFT)

13:48
Atlanta (ATL) S
Effective 2026-07-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5526)
Duration: 1:48, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL5423
11:00
Lafayette (LFT)

13:45
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 5526)
Duration: 1:45, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
KLM KL5423
11:17
Lafayette (LFT)

13:59
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 5526)
Duration: 1:42, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
KLM KL5423
19:21
Atlanta (ATL) S

20:40
Oklahoma City (OKC)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2784)
Duration: 2:19, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
KLM KL5423
21:15
Atlanta (ATL) S

22:56
Washington Dulles (IAD)
Effective 2026-03-14 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2549)
Duration: 1:41, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL5423
21:59
Atlanta (ATL) S

23:37
Washington Dulles (IAD)
Effective 2026-01-05 through 2026-01-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2549)
Duration: 1:38, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
KLM KL5423
22:34
Atlanta (ATL) S

00:12(+1)
Washington Dulles (IAD)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2549)
Duration: 1:38, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
KLM KL5423
22:45
Atlanta (ATL) S

00:24(+1)
Washington Dulles (IAD)
Effective 2026-01-19 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2549)
Duration: 1:39, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Oklahoma City (OKC)
  • Atlanta (ATL) - Washington Dulles (IAD)
  • Lafayette (LFT) - Atlanta (ATL)
All KLM flights
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