Denver (DEN) to San Antonio (SAT)
Flight time
≈ 2h 23m
Bearing
152° SE
Denver (DEN) to San Antonio (SAT) is 795 miles (1,280 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies DEN–SAT
Filed traffic dataIn May 2026, Southwest Airlines operated the most departures, one of 5 carriers flying nonstop DEN–SAT; the Boeing 737-800 was the most common aircraft at 30% of departures; flights ran 78% full.
Departures
536
May 2026
Seats
89,591
both directions
Passengers
70,205
both directions
Load factor
78.4%
RPM ÷ ASM
Who flies DEN–SAT?
Southwest Airlines operated the most nonstop DEN–SAT departures in May 2026 (260), one of 5 carriers on the route.
- WN
260 departures · 41,358 seats
Share of departures48.5%73.2%
Load
- UA
210 departures · 33,709 seats
Share of departures39.2%81.3%
Load
- F9
62 departures · 14,136 seats
Share of departures11.6%87.8%
Load
- DL
3 departures · 216 seats
Share of departures0.6%0.0%
Load
- AA
1 departures · 172 seats
Share of departures0.2%75.0%
Load
What plane flies DEN–SAT?
In May 2026, the Boeing 737-800 flew 30% of DEN–SAT departures — more than any other aircraft type.
- Boeing 737-800
162 departures · 77.6% load
30.2% - Boeing 737 MAX 8
114 departures · 73.6% load
21.3% - Boeing 737-700
109 departures · 75.6% load
20.3% - Airbus A320
70 departures · 86.6% load
13.1% - Airbus A321
30 departures · 87.9% load
5.6% - Airbus A321neo
27 departures · 87.1% load
5.0% - Boeing 737-900ER
10 departures · 56.1% load
1.9% - Airbus A319
6 departures · 78.8% load
1.1% - Airbus A320neo
4 departures · 90.2% load
0.8% - Boeing 757-200
3 departures · 0.0% load
0.6% - Boeing 737 MAX 9
1 departures · 57.5% load
0.2%
How has DEN–SAT traffic changed?
Nonstop DEN–SAT departures rose from 531 in June 2025 to 536 in May 2026.
Monthly nonstop DEN–SAT traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
531 departures · 69,566 passengers
79.9%
Load
July 2025
553 departures · 73,231 passengers
82.0%
Load
August 2025
473 departures · 59,340 passengers
76.4%
Load
September 2025
442 departures · 58,390 passengers
78.8%
Load
October 2025
505 departures · 67,151 passengers
82.5%
Load
November 2025
485 departures · 59,248 passengers
71.0%
Load
December 2025
564 departures · 70,425 passengers
74.6%
Load
January 2026
451 departures · 56,633 passengers
74.9%
Load
February 2026
384 departures · 53,395 passengers
83.0%
Load
March 2026
596 departures · 76,243 passengers
76.3%
Load
April 2026
503 departures · 62,252 passengers
76.3%
Load
May 2026
536 departures · 70,205 passengers
78.4%
Load
By direction
Each direction is filed separately — they rarely match.
DEN → SAT
76.1% full
271 departures · 34,438 passengers
SAT → DEN
80.6% full
265 departures · 35,767 passengers
Nonstop DEN–SAT traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Denver (DEN) from San Antonio (SAT)?
DEN to SAT is 795 miles (1,280 km / 691 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from DEN to SAT?
A nonstop covers the 795-mile great-circle distance in roughly 2h 23m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies DEN–SAT?
In May 2026, the Boeing 737-800 flew the largest share of departures (30.2%), followed by the Boeing 737 MAX 8 (21.3%).
What mileage do I earn flying DEN–SAT?
Distance-based programs credit off the 795-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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