Cancun to San Francisco (CUN-SFO): nonstop upgrade & award space

United Airlines and Alaska Airlines fly nonstop between Cancun (CUN) and San Francisco (SFO), roughly 14 times a week. United Airlines carries most of this long-haul schedule, so one carrier's release pattern decides when premium space appears, and it is rarely all at once. 2LNR tracks confirmed upgrade and award space on Alaska Airlines, on every CUN to SFO departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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14
Nonstop flights a week
2,406 mi
Nonstop distance
Free
To get started

Cancun to San Francisco flight schedule

Scheduled nonstop departures for CUN to SFO, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Cancun (CUN) to San Francisco (SFO)
Date Flight Airline Departs CUN Arrives SFO Duration Aircraft
UA 1948United Airlines12:5716:405h 43m7M9
UA 1118United Airlines17:0120:495h 48m7M9
UA 1948United Airlines12:5716:405h 43m7M9
UA 1118United Airlines17:0120:495h 48m7M9
UA 1948United Airlines12:5716:405h 43m7M9
UA 1118United Airlines17:0120:495h 48m7M9
UA 1948United Airlines12:5716:405h 43m7M9
UA 1118United Airlines17:0120:495h 48m7M9
UA 1948United Airlines12:5716:405h 43m7M9
UA 1118United Airlines17:0120:495h 48m7M9
UA 1948United Airlines12:5716:405h 43m7M9
UA 1118United Airlines17:0120:495h 48m7M9
UA 1948United Airlines12:5716:405h 43m7M9
UA 1118United Airlines17:0120:495h 48m7M9

Showing all 14 scheduled CUN to SFO departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every CUN to SFO date on the interactive map

Confirmed upgrade & award space on CUN to SFO departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Cancun to San Francisco to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each CUN to SFO departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See CUN to SFO on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Cancun to San Francisco nonstop

Carriers operating CUN to SFO nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See CUN to SFO on the interactive map →

Frequently asked questions about CUN to SFO

How far is San Francisco from Cancun?
CUN to SFO covers about 2,406 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from CUN to SFO?
United Airlines and Alaska Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines.
How many flights a week are there from CUN to SFO?
About 14 nonstop flights a week run between Cancun and San Francisco in the current schedule, operated by United Airlines and Alaska Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from CUN to SFO depart?
Scheduled CUN to SFO nonstops in the next 7 days with service leave between 12:57 and 17:01, local time at Cancun. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on CUN to SFO?
Open the CUN to SFO route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss CUN to SFO upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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