KLM
flight
KL 6503:
Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6503
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3054)
Duration: 1:09, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
KLM KL6503
Effective 2026-01-06 through 2026-01-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1342)
Duration: 1:49, non-stop Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6503
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3735)
Duration: 1:58, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
KLM KL6503
Operates only on 2026-01-05
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
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Codeshare flight, operated by Delta Air Lines.
(DL 1342)
Duration: 1:49, non-stop Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6503
Effective 2026-04-13 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 5665)
Duration: 1:57, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6503
Effective 2026-05-25 through 2026-06-12
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 5665)
Duration: 1:57, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6503
Effective 2026-06-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 5665)
Duration: 1:57, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6503
Effective 2026-10-06 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 5665)
Duration: 2:00, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6503
Effective 2026-01-19 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1342)
Duration: 1:52, non-stop Airbus A220-300 (223)
Direct Codeshare Flights:
KLM KL6503
Effective 2026-01-24 through 2026-02-07
Mon
-
-
Tue
-
-
Wed
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-
Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 1342)
Duration: 1:51, non-stop Airbus A320 (320)
Direct Codeshare Flights:
KLM KL6503
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1342)
Duration: 1:48, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
KLM KL6503
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1342)
Duration: 1:47, non-stop Airbus A220-100 (221)
Direct Codeshare Flights:
KLM KL6503
Effective 2026-04-18 through 2026-05-23
Mon
-
-
Tue
-
-
Wed
-
-
Thu
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-
Fri
-
-
Sat
Sun
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-
Codeshare flight, operated by Delta Air Lines.
(DL 5665)
Duration: 1:57, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6503
Effective 2026-05-24 through 2026-05-30
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 5665)
Duration: 1:57, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6503
Operates only on 2026-06-06
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 5665)
Duration: 1:57, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6503
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 5665)
Duration: 2:03, non-stop Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
- Boston Logan (BOS) - Richmond (RIC)
- Salt Lake City (SLC) - Sacramento (SMF)
- Savannah (SAV) - Atlanta (ATL)