Delta Air Lines flights from Guanacaste (LIR) to Atlanta (ATL).

FLIGHT SCHEDULE
Direct Flights:
Sat 14:35 Guanacaste (LIR) 20:36 Atlanta (ATL) I Delta Air Lines DL 1754 Non-stop Boeing 737-900 (739) 4:01 Effective 2026-04-04 through 2026-04-11
Daily 14:15 Guanacaste (LIR) 20:19 Atlanta (ATL) I Delta Air Lines 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 Delta Air Lines 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 Delta Air Lines 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 Delta Air Lines 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 Delta Air Lines 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 Delta Air Lines DL 1784 Non-stop Airbus A321 (321) 4:05 Valid until 2026-01-04
Daily 15:05 Guanacaste (LIR) 20:05 Atlanta (ATL) I Delta Air Lines 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 Delta Air Lines 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 Delta Air Lines DL 1784 Non-stop Boeing 757 (757) 4:00 Effective 2026-02-17 through 2026-03-07
Sat 11:50 Guanacaste (LIR) 17:51 Atlanta (ATL) I Delta Air Lines DL 1798 Non-stop Boeing 757 (757) 4:01 Effective 2026-03-14 through 2026-04-11
Sat 12:35 Guanacaste (LIR) 17:30 Atlanta (ATL) I Delta Air Lines DL 1798 Non-stop Boeing 757 (757) 3:55 Effective 2026-01-10 through 2026-03-07
Daily 13:25 Guanacaste (LIR) 19:15 Atlanta (ATL) I Delta Air Lines DL 1812 Non-stop Boeing 737-900 (739) 3:50 Effective 2026-09-10 through 2026-10-05
Sat 13:05 Guanacaste (LIR) 19:13 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Airbus A321 (321) 4:08 Effective 2026-06-13 through 2026-07-04
Sat 13:05 Guanacaste (LIR) 19:07 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Airbus A321 (321) 4:02 Effective 2026-07-11 through 2026-08-08
Daily 13:15 Guanacaste (LIR) 19:17 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 757 (757) 4:02 Effective 2026-03-08 through 2026-04-12
Daily 13:25 Guanacaste (LIR) 19:29 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 757 (757) 4:04 Effective 2026-04-13 through 2026-05-06
Mon-Fri,Sun 13:25 Guanacaste (LIR) 19:29 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 737-900 (739) 4:04 Effective 2026-05-07 through 2026-06-05
Sat 13:25 Guanacaste (LIR) 19:29 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 757 (757) 4:04 Effective 2026-05-09 through 2026-06-06
Mon-Fri,Sun 13:25 Guanacaste (LIR) 19:31 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 737-900 (739) 4:06 Effective 2026-06-07 through 2026-07-06
Mon-Fri,Sun 13:25 Guanacaste (LIR) 19:25 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 737-900 (739) 4:00 Effective 2026-07-07 through 2026-08-09
Daily 13:25 Guanacaste (LIR) 19:32 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 737-900 (739) 4:07 Effective 2026-08-10 through 2026-09-09
Daily 13:25 Guanacaste (LIR) 19:15 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 737-900 (739) 3:50 Effective from 2026-10-06
Daily 14:05 Guanacaste (LIR) 19:06 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Airbus A321 (321) 4:01 Valid until 2026-01-18
Mon 14:05 Guanacaste (LIR) 19:03 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 757 (757) 3:58 Effective 2026-01-19 through 2026-01-26
Tue-Sun 14:05 Guanacaste (LIR) 19:00 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 757 (757) 3:55 Effective 2026-01-20 through 2026-01-25
Mon,Tue,Thu-Sun 14:05 Guanacaste (LIR) 19:03 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 757 (757) 3:58 Effective 2026-01-27 through 2026-02-03
Wed 14:05 Guanacaste (LIR) 19:00 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 757 (757) 3:55 Operates only on 2026-01-28
Mon-Fri,Sun 14:05 Guanacaste (LIR) 19:03 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 757 (757) 3:58 Effective 2026-02-04 through 2026-02-13
Sat 14:05 Guanacaste (LIR) 19:00 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 757 (757) 3:55 Operates only on 2026-02-07
Daily 14:05 Guanacaste (LIR) 19:03 Atlanta (ATL) I Delta Air Lines DL 1820 Non-stop Boeing 757 (757) 3:58 Effective 2026-02-14 through 2026-03-07
Sat 12:35 Guanacaste (LIR) 17:35 Atlanta (ATL) I Delta Air Lines DL 1833 Non-stop Airbus A321 (321) 4:00 Operates only on 2026-01-03

An international route 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 3:50 and 4:09.

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FLIGHT SCHEDULE

Direct Flights:

Delta Air Lines DL1754

14:35

Guanacaste (LIR)

20:36

Atlanta (ATL) I

Effective 2026-04-04 through 2026-04-11

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:01, non-stop
Boeing 737-900 (739)

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)

Direct Flights:

Delta Air Lines DL1798

11:50

Guanacaste (LIR)

17:51

Atlanta (ATL) I

Effective 2026-03-14 through 2026-04-11

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:01, non-stop
Boeing 757 (757)

Direct Flights:

Delta Air Lines DL1798

12:35

Guanacaste (LIR)

17:30

Atlanta (ATL) I

Effective 2026-01-10 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:55, non-stop
Boeing 757 (757)

Direct Flights:

Delta Air Lines DL1812

13:25

Guanacaste (LIR)

19:15

Atlanta (ATL) I

Effective 2026-09-10 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:50, non-stop
Boeing 737-900 (739)

Direct Flights:

Delta Air Lines DL1820

13:05

Guanacaste (LIR)

19:13

Atlanta (ATL) I

Effective 2026-06-13 through 2026-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:08, non-stop
Airbus A321 (321)

Direct Flights:

Delta Air Lines DL1820

13:05

Guanacaste (LIR)

19:07

Atlanta (ATL) I

Effective 2026-07-11 through 2026-08-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:02, non-stop
Airbus A321 (321)

Direct Flights:

Delta Air Lines DL1820

13:15

Guanacaste (LIR)

19:17

Atlanta (ATL) I

Effective 2026-03-08 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:02, non-stop
Boeing 757 (757)

Direct Flights:

Delta Air Lines DL1820

13:25

Guanacaste (LIR)

19:29

Atlanta (ATL) I

Effective 2026-04-13 through 2026-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:04, non-stop
Boeing 757 (757)

Direct Flights:

Delta Air Lines DL1820

13:25

Guanacaste (LIR)

19:29

Atlanta (ATL) I

Effective 2026-05-07 through 2026-06-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:04, non-stop
Boeing 737-900 (739)

Direct Flights:

Delta Air Lines DL1820

13:25

Guanacaste (LIR)

19:29

Atlanta (ATL) I

Effective 2026-05-09 through 2026-06-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:04, non-stop
Boeing 757 (757)

Direct Flights:

Delta Air Lines DL1820

13:25

Guanacaste (LIR)

19:31

Atlanta (ATL) I

Effective 2026-06-07 through 2026-07-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:06, non-stop
Boeing 737-900 (739)

Direct Flights:

Delta Air Lines DL1820

13:25

Guanacaste (LIR)

19:25

Atlanta (ATL) I

Effective 2026-07-07 through 2026-08-09

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:00, non-stop
Boeing 737-900 (739)

Direct Flights:

Delta Air Lines DL1820

13:25

Guanacaste (LIR)

19:32

Atlanta (ATL) I

Effective 2026-08-10 through 2026-09-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:07, non-stop
Boeing 737-900 (739)

Direct Flights:

Delta Air Lines DL1820

13:25

Guanacaste (LIR)

19:15

Atlanta (ATL) I

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:50, non-stop
Boeing 737-900 (739)

Direct Flights:

Delta Air Lines DL1820

14:05

Guanacaste (LIR)

19:06

Atlanta (ATL) I

Valid until 2026-01-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:01, non-stop
Airbus A321 (321)

Direct Flights:

Delta Air Lines DL1820

14:05

Guanacaste (LIR)

19:03

Atlanta (ATL) I

Effective 2026-01-19 through 2026-01-26

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:58, non-stop
Boeing 757 (757)

Direct Flights:

Delta Air Lines DL1820

14:05

Guanacaste (LIR)

19:00

Atlanta (ATL) I

Effective 2026-01-20 through 2026-01-25

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:55, non-stop
Boeing 757 (757)

Direct Flights:

Delta Air Lines DL1820

14:05

Guanacaste (LIR)

19:03

Atlanta (ATL) I

Effective 2026-01-27 through 2026-02-03

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 3:58, non-stop
Boeing 757 (757)

Direct Flights:

Delta Air Lines DL1820

14:05

Guanacaste (LIR)

19:00

Atlanta (ATL) I

Operates only on 2026-01-28

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:55, non-stop
Boeing 757 (757)

Direct Flights:

Delta Air Lines DL1820

14:05

Guanacaste (LIR)

19:03

Atlanta (ATL) I

Effective 2026-02-04 through 2026-02-13

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:58, non-stop
Boeing 757 (757)

Direct Flights:

Delta Air Lines DL1820

14:05

Guanacaste (LIR)

19:00

Atlanta (ATL) I

Operates only on 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:55, non-stop
Boeing 757 (757)

Direct Flights:

Delta Air Lines DL1820

14:05

Guanacaste (LIR)

19:03

Atlanta (ATL) I

Effective 2026-02-14 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:58, non-stop
Boeing 757 (757)

Direct Flights:

Delta Air Lines DL1833

12:35

Guanacaste (LIR)

17:35

Atlanta (ATL) I

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:00, non-stop
Airbus A321 (321)

An international route 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 3:50 and 4:09.

All LIR-ATL flights

All Delta Air Lines flights

Return (ATL-LIR) flights

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