United Airlines
flight
UA 2139:
San Francisco - Guanacaste
San Francisco - Guanacaste
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2139
Valid until 2026-01-03
Mon
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Tue
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Wed
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Thu
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Fri
Sat
Sun
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Duration: 6:16, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2139
Effective 2026-01-10 through 2026-03-07
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
Sun
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Duration: 6:16, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2139
Effective 2026-03-14 through 2026-03-28
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
Sun
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Duration: 6:16, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2139
Effective 2026-04-03 through 2026-04-25
Mon
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Tue
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Wed
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Thu
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Fri
Sat
Sun
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Duration: 6:23, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2139
Effective 2026-05-22 through 2026-08-08
Mon
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Tue
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Wed
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Thu
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Fri
Sat
Sun
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Duration: 6:23, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
- 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 6:16 and 6:23.