Delta Air Lines
flight
DL 9439:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Delta Air Lines DL9439
Effective 2026-03-29 through 2026-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by KLM.
(KL 1952)
Duration: 3:30, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Delta Air Lines DL9439
Operates only on 2026-06-27
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Codeshare flight, operated by KLM.
(KL 1952)
Duration: 3:30, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Delta Air Lines DL9439
Valid until 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by KLM.
(KL 1984)
Duration: 2:35, non-stop Embraer E195-E2 (295)
Direct Codeshare Flights:
Delta Air Lines DL9439
Effective 2026-02-13 through 2026-02-23
Mon
Tue
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Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by KLM.
(KL 1984)
Duration: 2:35, non-stop Embraer E195-E2 (295)
Direct Codeshare Flights:
Delta Air Lines DL9439
Effective 2026-02-24 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by KLM.
(KL 1984)
Duration: 2:35, non-stop Embraer E195-E2 (295)
Direct Codeshare Flights:
Delta Air Lines DL9439
Effective from 2026-10-25
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by KLM.
(KL 1923)
Duration: 1:25, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Delta Air Lines DL9439
Effective 2026-06-26 through 2026-07-03
Mon
Tue
Wed
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Thu
Fri
Sat
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Sun
Codeshare flight, operated by KLM.
(KL 1923)
Duration: 1:25, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL9439
Effective 2026-07-01 through 2026-07-08
Mon
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Wed
Thu
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Codeshare flight, operated by KLM.
(KL 1923)
Duration: 1:25, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Delta Air Lines DL9439
Effective 2026-07-04 through 2026-08-31
Mon
Tue
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Wed
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Thu
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Fri
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Sat
Sun
Codeshare flight, operated by KLM.
(KL 1923)
Duration: 1:25, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL9439
Effective 2026-07-09 through 2026-08-28
Mon
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Tue
Wed
Thu
Fri
Sat
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Sun
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Codeshare flight, operated by KLM.
(KL 1923)
Duration: 1:25, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Delta Air Lines DL9439
Effective 2026-09-01 through 2026-10-23
Mon
Tue
Wed
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Thu
Fri
Sat
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Sun
Codeshare flight, operated by KLM.
(KL 1923)
Duration: 1:25, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL9439
Effective 2026-09-02 through 2026-10-24
Mon
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Tue
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Wed
Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by KLM.
(KL 1923)
Duration: 1:25, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Delta Air Lines DL9439
Effective from 2026-10-27
Mon
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Tue
Wed
Thu
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Fri
Sat
Sun
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Codeshare flight, operated by KLM.
(KL 1923)
Duration: 1:25, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL9439
Effective from 2026-10-29
Mon
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Tue
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Wed
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Codeshare flight, operated by KLM.
(KL 1923)
Duration: 1:25, non-stop Boeing 737-700 (73W)
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This flight number is listed as serving the following routes:
- Amsterdam (AMS) - Zurich (ZRH)
- Athens (ATH) - Amsterdam (AMS)
- Belgrade (BEG) - Amsterdam (AMS)