United Airlines flight UA 1918: Guanacaste - Denver

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FLIGHT SCHEDULE
Direct Flights:
Sat 11:35 Guanacaste (LIR) 17:04 Denver (DEN)
UA 1918 Non-stop Boeing 737 MAX 9 (7M9) 5:29 Effective 2026-03-14 through 2026-03-28
Daily 11:49 Guanacaste (LIR) 17:17 Denver (DEN)
UA 1918 Non-stop Boeing 737-800 (738) 5:28 Effective 2026-03-29 through 2026-05-04
Mon,Thu-Sun 11:49 Guanacaste (LIR) 17:17 Denver (DEN)
UA 1918 Non-stop Boeing 737-800 (738) 5:28 Effective 2026-05-07 through 2026-05-25
Daily 11:49 Guanacaste (LIR) 17:17 Denver (DEN)
UA 1918 Non-stop Boeing 737-800 (738) 5:28 Effective 2026-05-26 through 2026-08-10
Sat 11:49 Guanacaste (LIR) 17:06 Denver (DEN)
UA 1918 Non-stop Boeing 737-800 (738) 5:17 Effective 2026-09-26 through 2026-10-24
Mon-Fri,Sun 11:50 Guanacaste (LIR) 17:21 Denver (DEN)
UA 1918 Non-stop Boeing 737 MAX 9 (7M9) 5:31 Effective 2026-03-08 through 2026-03-27
Daily 11:50 Guanacaste (LIR) 17:21 Denver (DEN)
UA 1918 Non-stop Boeing 737 MAX 8 (7M8) 5:31 Effective from 2026-10-25
Daily 12:50 Guanacaste (LIR) 17:21 Denver (DEN)
UA 1918 Non-stop Boeing 737 MAX 8 (7M8) 5:31 Valid until 2026-01-05
Daily 12:50 Guanacaste (LIR) 17:21 Denver (DEN)
UA 1918 Non-stop Boeing 737 MAX 9 (7M9) 5:31 Effective 2026-01-06 through 2026-02-03
Daily 12:50 Guanacaste (LIR) 17:21 Denver (DEN)
UA 1918 Non-stop Boeing 737 MAX 9 (7M9) 5:31 Effective 2026-02-05 through 2026-03-07
United Airlines flight UA 1918:
Guanacaste - Denver
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA1918
Effective 2026-03-14 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:29, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1918
Effective 2026-03-29 through 2026-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:28, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1918
Effective 2026-05-07 through 2026-05-25
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 5:28, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1918
Effective 2026-05-26 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:28, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1918
Effective 2026-09-26 through 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:17, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1918
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:31, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1918
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:31, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1918
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:31, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1918
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:31, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1918
Effective 2026-02-05 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:31, non-stop
Boeing 737 MAX 9 (7M9)
  • UA 1918 is an international flight departing from Guanacaste airport, Costa Rica (LIR) and arriving at Denver airport, United States (DEN).
  • The flight distance is 2336 miles, or 3759 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-7 . 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 5:17 and 5:31.