United Airlines
flight
UA 2139:
San Francisco - Guanacaste
San Francisco - Guanacaste
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2139
Effective 2025-06-06 through 2025-08-16
Mon
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Tue
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Duration: 6:23, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
United Airlines UA2139
Valid until 2025-05-17
Mon
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Tue
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Duration: 6:23, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
United Airlines UA2139
Effective 2025-05-23 through 2025-05-31
Mon
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Tue
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Wed
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Thu
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Fri
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Duration: 6:23, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
United Airlines UA2139
Operates only on 2025-11-01
Mon
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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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Duration: 6:14, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
United Airlines UA2139
Effective 2025-11-08 through 2025-11-29
Mon
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Fri
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Duration: 6:14, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
United Airlines UA2139
Effective 2025-12-06 through 2026-01-03
Mon
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Tue
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Wed
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Fri
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Duration: 6:14, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
United Airlines UA2139
Effective 2026-01-10 through 2026-02-07
Mon
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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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Duration: 6:14, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
United Airlines UA2139
Effective from 2026-02-14
Mon
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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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Duration: 6:14, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here SFO-LIR
- UA 2139 is an international flight departing from San Francisco airport, United States (SFO) and arriving at Guanacaste airport, Costa Rica (LIR).
- The flight distance is 2945 miles, or 4740 km.
- The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . 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 6:14 and 6:23.