Cancún (CUN) to San Antonio (SAT)
Flight time
≈ 2h 40m
Bearing
311° NW
Cancún (CUN) to San Antonio (SAT) is 931 miles (1,499 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CUN–SAT
Filed traffic dataIn July 2026, Southwest Airlines operated the most departures, one of 2 carriers flying nonstop CUN–SAT; the Boeing 737-700 was the most common aircraft at 49% of departures; flights ran 93% full.
Departures
98
July 2026
Seats
15,722
both directions
Passengers
14,681
both directions
Load factor
93.4%
RPM ÷ ASM
Who flies CUN–SAT?
Southwest Airlines operated the most nonstop CUN–SAT departures in July 2026 (62), one of 2 carriers on the route.
- WN
62 departures · 9,026 seats
Share of departures63.3%92.1%
Load
- SY
36 departures · 6,696 seats
Share of departures36.7%95.1%
Load
What plane flies CUN–SAT?
In July 2026, the Boeing 737-700 flew 49% of CUN–SAT departures — more than any other aircraft type.
- Boeing 737-700
48 departures · 93.6% load
49.0% - Boeing 737-800
41 departures · 93.8% load
41.8% - Boeing 737 MAX 8
9 departures · 90.3% load
9.2%
How has CUN–SAT traffic changed?
Nonstop CUN–SAT departures rose from 14 in August 2025 to 98 in July 2026.
Monthly nonstop CUN–SAT traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
14 departures · 1,724 passengers
70.3%
Load
September 2025
0 departures · 0 passengers
—
Load
October 2025
10 departures · 819 passengers
69.3%
Load
November 2025
6 departures · 600 passengers
60.9%
Load
December 2025
4 departures · 498 passengers
71.1%
Load
January 2026
2 departures · 224 passengers
64.0%
Load
February 2026
0 departures · 0 passengers
—
Load
March 2026
8 departures · 688 passengers
62.8%
Load
April 2026
1 departures · 41 passengers
29.9%
Load
May 2026
15 departures · 2,220 passengers
79.5%
Load
June 2026
93 departures · 13,874 passengers
91.9%
Load
July 2026
98 departures · 14,681 passengers
93.4%
Load
By direction
Each direction is filed separately — they rarely match.
CUN → SAT
94.2% full
49 departures · 7,298 passengers
SAT → CUN
92.6% full
49 departures · 7,383 passengers
Nonstop CUN–SAT 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 Antonio (SAT)?
CUN to SAT is 931 miles (1,499 km / 809 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CUN to SAT?
A nonstop covers the 931-mile great-circle distance in roughly 2h 40m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CUN–SAT?
In July 2026, the Boeing 737-700 flew the largest share of departures (49.0%), followed by the Boeing 737-800 (41.8%).
What mileage do I earn flying CUN–SAT?
Distance-based programs credit off the 931-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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