Cancún (CUN) to San Francisco (SFO)
Flight time
≈ 5h 37m
Bearing
306° NW
Cancún (CUN) to San Francisco (SFO) is 2,405 miles (3,871 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies CUN–SFO
Filed traffic dataIn July 2026, United Airlines was the only carrier flying nonstop CUN–SFO; the Boeing 737 MAX 9 was the most common aircraft at 73% of departures; flights ran 94% full.
Departures
132
July 2026
Seats
23,628
both directions
Passengers
22,175
both directions
Load factor
93.8%
RPM ÷ ASM
Who flies CUN–SFO?
United Airlines was the only carrier to fly nonstop CUN–SFO in July 2026 (132 departures).
- UA
132 departures · 23,628 seats
Share of departures100.0%93.8%
Load
What plane flies CUN–SFO?
In July 2026, the Boeing 737 MAX 9 flew 73% of CUN–SFO departures — more than any other aircraft type.
- Boeing 737 MAX 9
97 departures · 94.4% load
73.5% - Boeing 737-900ER
35 departures · 92.3% load
26.5%
How has CUN–SFO traffic changed?
Nonstop CUN–SFO departures fell from 138 in August 2025 to 132 in July 2026.
Monthly nonstop CUN–SFO traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
138 departures · 19,528 passengers
79.0%
Load
September 2025
68 departures · 10,383 passengers
85.3%
Load
October 2025
81 departures · 12,980 passengers
89.5%
Load
November 2025
156 departures · 24,585 passengers
88.1%
Load
December 2025
218 departures · 33,613 passengers
87.4%
Load
January 2026
159 departures · 23,926 passengers
84.5%
Load
February 2026
118 departures · 18,734 passengers
88.7%
Load
March 2026
134 departures · 18,603 passengers
77.6%
Load
April 2026
121 departures · 18,628 passengers
86.7%
Load
May 2026
128 departures · 20,114 passengers
87.8%
Load
June 2026
128 departures · 21,198 passengers
92.5%
Load
July 2026
132 departures · 22,175 passengers
93.8%
Load
By direction
Each direction is filed separately — they rarely match.
CUN → SFO
95.1% full
66 departures · 11,232 passengers
SFO → CUN
92.6% full
66 departures · 10,943 passengers
Nonstop CUN–SFO traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Cancún
MX
Cancún International Airport
Coordinates
21.04°N, 86.87°W
Hemisphere
N · W
Frequently asked
How far is Cancún (CUN) from San Francisco (SFO)?
CUN to SFO is 2,405 miles (3,871 km / 2,090 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CUN to SFO?
A nonstop covers the 2,405-mile great-circle distance in roughly 5h 37m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CUN–SFO?
In July 2026, the Boeing 737 MAX 9 flew the largest share of departures (73.5%), followed by the Boeing 737-900ER (26.5%).
What mileage do I earn flying CUN–SFO?
Distance-based programs credit off the 2,405-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Keep exploring
Every route below is its own page.
Other routes from SFO
Popular long-haul routes