Delta Air Lines flight DL 1784: Guanacaste - Atlanta

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FLIGHT SCHEDULE
Direct Flights:
Daily 14:15 Guanacaste (LIR) 20:19 Atlanta (ATL) I
DL 1784 Non-stop Boeing 757 (757) 4:04 Effective 2026-03-08 through 2026-04-12
Sat 14:40 Guanacaste (LIR) 20:45 Atlanta (ATL) I
DL 1784 Non-stop Boeing 757 (757) 4:05 Effective 2026-04-18 through 2026-05-02
Sat 14:40 Guanacaste (LIR) 20:49 Atlanta (ATL) I
DL 1784 Non-stop Boeing 737-900 (739) 4:09 Effective 2026-06-13 through 2026-07-04
Sat 14:40 Guanacaste (LIR) 20:40 Atlanta (ATL) I
DL 1784 Non-stop Boeing 737-900 (739) 4:00 Effective 2026-07-11 through 2026-08-08
Sat 14:55 Guanacaste (LIR) 21:00 Atlanta (ATL) I
DL 1784 Non-stop Boeing 737-900 (739) 4:05 Effective 2026-05-09 through 2026-06-06
Daily 15:05 Guanacaste (LIR) 20:10 Atlanta (ATL) I
DL 1784 Non-stop Airbus A321 (321) 4:05 Valid until 2026-01-04
Daily 15:05 Guanacaste (LIR) 20:05 Atlanta (ATL) I
DL 1784 Non-stop Boeing 757 (757) 4:00 Effective 2026-01-05 through 2026-01-26
Mon,Wed-Sun 15:05 Guanacaste (LIR) 20:05 Atlanta (ATL) I
DL 1784 Non-stop Boeing 757 (757) 4:00 Effective 2026-01-28 through 2026-02-16
Daily 15:05 Guanacaste (LIR) 20:05 Atlanta (ATL) I
DL 1784 Non-stop Boeing 757 (757) 4:00 Effective 2026-02-17 through 2026-03-07
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Delta Air Lines flight DL 1784:
Guanacaste - Atlanta
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL1784
14:15
Guanacaste (LIR)

20:19
Atlanta (ATL) I
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:04, non-stop
Boeing 757 (757)
Direct Flights:
Delta Air Lines DL1784
14:40
Guanacaste (LIR)

20:45
Atlanta (ATL) I
Effective 2026-04-18 through 2026-05-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:05, non-stop
Boeing 757 (757)
Direct Flights:
Delta Air Lines DL1784
14:40
Guanacaste (LIR)

20:49
Atlanta (ATL) I
Effective 2026-06-13 through 2026-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:09, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1784
14:40
Guanacaste (LIR)

20:40
Atlanta (ATL) I
Effective 2026-07-11 through 2026-08-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1784
14:55
Guanacaste (LIR)

21:00
Atlanta (ATL) I
Effective 2026-05-09 through 2026-06-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:05, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1784
15:05
Guanacaste (LIR)

20:10
Atlanta (ATL) I
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:05, non-stop
Airbus A321 (321)
Direct Flights:
Delta Air Lines DL1784
15:05
Guanacaste (LIR)

20:05
Atlanta (ATL) I
Effective 2026-01-05 through 2026-01-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:00, non-stop
Boeing 757 (757)
Direct Flights:
Delta Air Lines DL1784
15:05
Guanacaste (LIR)

20:05
Atlanta (ATL) I
Effective 2026-01-28 through 2026-02-16
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 4:00, non-stop
Boeing 757 (757)
Direct Flights:
Delta Air Lines DL1784
15:05
Guanacaste (LIR)

20:05
Atlanta (ATL) I
Effective 2026-02-17 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:00, non-stop
Boeing 757 (757)
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  • DL 1784 is an international flight departing from Guanacaste airport, Costa Rica (LIR) and arriving at Atlanta airport, United States (ATL).
  • The flight distance is 1593 miles, or 2563 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 4:00 and 4:09.
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