KLM flights from Montreal-Trudeau (YUL) to Atlanta (ATL).

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue,Sat 12:37 Montreal-Trudeau (YUL) 15:44 Atlanta (ATL) I
KLM KL 5409 Non-stop Airbus A319 (319) 3:07 Effective 2026-03-31 through 2026-04-11
Codeshare flight, operated by Delta Air Lines.(DL 2629)
Sat 12:45 Montreal-Trudeau (YUL) 15:48 Atlanta (ATL) I
KLM KL 5409 Non-stop Airbus A319 (319) 3:03 Operates only on 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 2629)
Daily 07:00 Montreal-Trudeau (YUL) 10:06 Atlanta (ATL) I
KLM KL 5410 Non-stop Airbus A319 (319) 3:06 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 2643)
Sat 07:00 Montreal-Trudeau (YUL) 10:12 Atlanta (ATL) I
KLM KL 5410 Non-stop Airbus A319 (319) 3:12 Operates only on 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 2643)
Daily 12:30 Montreal-Trudeau (YUL) 15:44 Atlanta (ATL) I
KLM KL 6526 Non-stop Airbus A319 (319) 3:14 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 2629)
Daily 12:37 Montreal-Trudeau (YUL) 15:47 Atlanta (ATL) I
KLM KL 6526 Non-stop Boeing 717 (717) 3:10 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 2629)
Tue,Sat 12:37 Montreal-Trudeau (YUL) 15:44 Atlanta (ATL) I
KLM KL 6526 Non-stop Airbus A319 (319) 3:07 Effective 2026-03-10 through 2026-03-28
Codeshare flight, operated by Delta Air Lines.(DL 2629)
Mon,Wed-Fri,Sun 12:42 Montreal-Trudeau (YUL) 15:49 Atlanta (ATL) I
KLM KL 6526 Non-stop Airbus A319 (319) 3:07 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by Delta Air Lines.(DL 2629)
Mon,Thu,Fri,Sun 12:50 Montreal-Trudeau (YUL) 16:06 Atlanta (ATL) I
KLM KL 6526 Non-stop Airbus A319 (319) 3:16 Effective 2026-01-19 through 2026-02-09
Codeshare flight, operated by Delta Air Lines.(DL 2629)
Tue,Wed,Sat 12:50 Montreal-Trudeau (YUL) 16:08 Atlanta (ATL) I
KLM KL 6526 Non-stop Airbus A319 (319) 3:18 Effective 2026-01-20 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 2629)
Daily 14:45 Montreal-Trudeau (YUL) 18:08 Atlanta (ATL) I
KLM KL 6526 Non-stop Airbus A319 (319) 3:23 Effective 2026-01-05 through 2026-01-18
Codeshare flight, operated by Delta Air Lines.(DL 2629)
Daily 07:00 Montreal-Trudeau (YUL) 10:10 Atlanta (ATL) I
KLM KL 6527 Non-stop Airbus A319 (319) 3:10 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 2643)
Mon-Sat 07:00 Montreal-Trudeau (YUL) 10:28 Atlanta (ATL) I
KLM KL 6527 Non-stop Airbus A320 (320) 3:28 Effective 2026-01-05 through 2026-01-17
Codeshare flight, operated by Delta Air Lines.(DL 2643)
Sun 07:00 Montreal-Trudeau (YUL) 10:28 Atlanta (ATL) I
KLM KL 6527 Non-stop Airbus A319 (319) 3:28 Operates only on 2026-01-11
Codeshare flight, operated by Delta Air Lines.(DL 2643)
Wed,Sun 07:00 Montreal-Trudeau (YUL) 10:28 Atlanta (ATL) I
KLM KL 6527 Non-stop Airbus A320 (320) 3:28 Effective 2026-01-18 through 2026-01-21
Codeshare flight, operated by Delta Air Lines.(DL 2643)
Mon,Tue,Thu-Sun 07:00 Montreal-Trudeau (YUL) 10:28 Atlanta (ATL) I
KLM KL 6527 Non-stop Airbus A319 (319) 3:28 Effective 2026-01-19 through 2026-01-27
Codeshare flight, operated by Delta Air Lines.(DL 2643)
Daily 07:00 Montreal-Trudeau (YUL) 10:28 Atlanta (ATL) I
KLM KL 6527 Non-stop Airbus A319 (319) 3:28 Effective 2026-01-28 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 2643)
Daily 07:00 Montreal-Trudeau (YUL) 10:06 Atlanta (ATL) I
KLM KL 6527 Non-stop Airbus A319 (319) 3:06 Effective 2026-03-08 through 2026-03-28
Codeshare flight, operated by Delta Air Lines.(DL 2643)
Daily 12:45 Montreal-Trudeau (YUL) 15:48 Atlanta (ATL) I
KLM KL 6607 Non-stop Airbus A319 (319) 3:03 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 2629)
Daily 07:00 Montreal-Trudeau (YUL) 10:12 Atlanta (ATL) I
KLM KL 6608 Non-stop Airbus A319 (319) 3:12 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 2643)
Mon-Fri 18:00 Montreal-Trudeau (YUL) 21:32 Atlanta (ATL) I
KLM KL 7155 Non-stop Airbus A319 (319) 3:32 Effective 2026-02-12 through 2026-02-20
Codeshare flight, operated by Delta Air Lines.(DL 1442)
Mon,Tue,Thu,Fri,Sun 18:00 Montreal-Trudeau (YUL) 21:32 Atlanta (ATL) I
KLM KL 7155 Non-stop Airbus A319 (319) 3:32 Effective 2026-02-22 through 2026-03-03
Codeshare flight, operated by Delta Air Lines.(DL 1442)
Wed-Fri 18:00 Montreal-Trudeau (YUL) 21:32 Atlanta (ATL) I
KLM KL 7155 Non-stop Airbus A319 (319) 3:32 Effective 2026-03-04 through 2026-03-06
Codeshare flight, operated by Delta Air Lines.(DL 1442)
Mon-Fri,Sun 18:02 Montreal-Trudeau (YUL) 21:34 Atlanta (ATL) I
KLM KL 7155 Non-stop Airbus A319 (319) 3:32 Effective 2026-01-19 through 2026-02-06
Codeshare flight, operated by Delta Air Lines.(DL 2625)
Mon-Wed 18:02 Montreal-Trudeau (YUL) 21:34 Atlanta (ATL) I
KLM KL 7155 Non-stop Airbus A319 (319) 3:32 Effective 2026-02-09 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 2625)
Sun 18:15 Montreal-Trudeau (YUL) 21:25 Atlanta (ATL) I
KLM KL 7155 Non-stop Airbus A319 (319) 3:10 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 2625)
Mon,Tue,Fri 18:20 Montreal-Trudeau (YUL) 21:30 Atlanta (ATL) I
KLM KL 7155 Non-stop Airbus A319 (319) 3:10 Valid until 2026-01-02
Codeshare flight, operated by Delta Air Lines.(DL 2625)
Mon-Fri,Sun 18:45 Montreal-Trudeau (YUL) 21:59 Atlanta (ATL) I
KLM KL 7155 Non-stop Airbus A319 (319) 3:14 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by Delta Air Lines.(DL 2625)
Daily 18:15 Montreal-Trudeau (YUL) 21:25 Atlanta (ATL) I
KLM KL 7323 Non-stop Airbus A319 (319) 3:10 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 2625)
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KLM flights from Montreal-Trudeau (YUL) to Atlanta (ATL).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL5409
12:37
Montreal-Trudeau (YUL)

15:44
Atlanta (ATL) I
Effective 2026-03-31 through 2026-04-11
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2629)
Duration: 3:07, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL5409
12:45
Montreal-Trudeau (YUL)

15:48
Atlanta (ATL) I
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2629)
Duration: 3:03, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL5410
07:00
Montreal-Trudeau (YUL)

10:06
Atlanta (ATL) I
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2643)
Duration: 3:06, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL5410
07:00
Montreal-Trudeau (YUL)

10:12
Atlanta (ATL) I
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2643)
Duration: 3:12, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6526
12:30
Montreal-Trudeau (YUL)

15:44
Atlanta (ATL) I
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2629)
Duration: 3:14, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6526
12:37
Montreal-Trudeau (YUL)

15:47
Atlanta (ATL) I
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2629)
Duration: 3:10, non-stop
Boeing 717 (717)
Direct Codeshare Flights:
KLM KL6526
12:37
Montreal-Trudeau (YUL)

15:44
Atlanta (ATL) I
Effective 2026-03-10 through 2026-03-28
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2629)
Duration: 3:07, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6526
12:42
Montreal-Trudeau (YUL)

15:49
Atlanta (ATL) I
Effective 2026-03-08 through 2026-03-27
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2629)
Duration: 3:07, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6526
12:50
Montreal-Trudeau (YUL)

16:06
Atlanta (ATL) I
Effective 2026-01-19 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2629)
Duration: 3:16, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6526
12:50
Montreal-Trudeau (YUL)

16:08
Atlanta (ATL) I
Effective 2026-01-20 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2629)
Duration: 3:18, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6526
14:45
Montreal-Trudeau (YUL)

18:08
Atlanta (ATL) I
Effective 2026-01-05 through 2026-01-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2629)
Duration: 3:23, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6527
07:00
Montreal-Trudeau (YUL)

10:10
Atlanta (ATL) I
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2643)
Duration: 3:10, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6527
07:00
Montreal-Trudeau (YUL)

10:28
Atlanta (ATL) I
Effective 2026-01-05 through 2026-01-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2643)
Duration: 3:28, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
KLM KL6527
07:00
Montreal-Trudeau (YUL)

10:28
Atlanta (ATL) I
Operates only on 2026-01-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2643)
Duration: 3:28, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6527
07:00
Montreal-Trudeau (YUL)

10:28
Atlanta (ATL) I
Effective 2026-01-18 through 2026-01-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2643)
Duration: 3:28, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
KLM KL6527
07:00
Montreal-Trudeau (YUL)

10:28
Atlanta (ATL) I
Effective 2026-01-19 through 2026-01-27
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2643)
Duration: 3:28, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6527
07:00
Montreal-Trudeau (YUL)

10:28
Atlanta (ATL) I
Effective 2026-01-28 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2643)
Duration: 3:28, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6527
07:00
Montreal-Trudeau (YUL)

10:06
Atlanta (ATL) I
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2643)
Duration: 3:06, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6607
12:45
Montreal-Trudeau (YUL)

15:48
Atlanta (ATL) I
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2629)
Duration: 3:03, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL6608
07:00
Montreal-Trudeau (YUL)

10:12
Atlanta (ATL) I
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2643)
Duration: 3:12, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL7155
18:00
Montreal-Trudeau (YUL)

21:32
Atlanta (ATL) I
Effective 2026-02-12 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1442)
Duration: 3:32, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL7155
18:00
Montreal-Trudeau (YUL)

21:32
Atlanta (ATL) I
Effective 2026-02-22 through 2026-03-03
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1442)
Duration: 3:32, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL7155
18:00
Montreal-Trudeau (YUL)

21:32
Atlanta (ATL) I
Effective 2026-03-04 through 2026-03-06
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1442)
Duration: 3:32, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL7155
18:02
Montreal-Trudeau (YUL)

21:34
Atlanta (ATL) I
Effective 2026-01-19 through 2026-02-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2625)
Duration: 3:32, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL7155
18:02
Montreal-Trudeau (YUL)

21:34
Atlanta (ATL) I
Effective 2026-02-09 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2625)
Duration: 3:32, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL7155
18:15
Montreal-Trudeau (YUL)

21:25
Atlanta (ATL) I
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2625)
Duration: 3:10, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL7155
18:20
Montreal-Trudeau (YUL)

21:30
Atlanta (ATL) I
Valid until 2026-01-02
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2625)
Duration: 3:10, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL7155
18:45
Montreal-Trudeau (YUL)

21:59
Atlanta (ATL) I
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2625)
Duration: 3:14, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
KLM KL7323
18:15
Montreal-Trudeau (YUL)

21:25
Atlanta (ATL) I
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2625)
Duration: 3:10, non-stop
Airbus A319 (319)
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  • An international route departing from Montreal-Trudeau airport, Canada (YUL) and arriving at Atlanta airport, United States (ATL).
  • The flight distance is 994 miles, or 1599 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 3:03 and 3:32.
All YUL-ATL flights
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