San Antonio (SAT) to Las Vegas (LAS) flights

Southwest Airlines, Frontier Airlines fly nonstop from San Antonio International Airport to Harry Reid International Airport, with about 36 flights a week in July 2026. The 1,069-mile flight takes about 2h 45m gate to gate.

From
SAT
San Antonio
San Antonio International Airport
To
LAS
Las Vegas
Harry Reid International Airport
Distance
1,069 mi · 1,720 km
Flight time
2h 45m
Airlines
2
Seats filled
75%
Flights a week, July 2026
2,028 flights and 267,756 passengers in 12 months
LASLASSAT
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying SAT to LAS

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Southwest Airlines30Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7201,2072h 44m
Frontier Airlines7Airbus A320neo, Airbus A321, Airbus A320-100/20043,9432h 53m
Spirit AirlinesCeased operations 2026-05-02n/aAirbus A320-100/200, Airbus A321, Airbus A320neo22,6062h 45m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

SAT to LAS flight schedule

10 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 6:10am and the last at 9:32pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
WN 3494Southwest Airlines6:10am6:50am2896%
WN 3495Southwest Airlines11:00am11:45am16100%
WN 1412Southwest Airlines11:15am12:00pm2882%
WN 1783Southwest Airlines12:40pm1:25pm1267%
WN 1427Southwest Airlines2:45pm3:35pm1242%
WN 3873Southwest Airlines5:10pm6:00pm4n/a
WN 3496Southwest Airlines5:40pm6:25pm4n/a
WN 4746Southwest Airlines7:05pm7:55pm2065%
WN 3116Southwest Airlines8:05pm8:50pm4n/a
F9 3417Frontier Airlines9:32pm10:19pm3175%

Is SAT to LAS on time?

From September 2025 to August 2026, 79% of 2,049 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 6am were the most punctual (96%), those around 8pm the least (58%). Most delay time was caused by late-arriving aircraft (52%).

AirlineFlightsOn timeAverage delayCancelled
Southwest Airlines1,58779%12 min0.4%
Frontier Airlines30575%18 min1%
Spirit Airlines15781%18 min0.6%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departureFlightsOn time, relativeOn time
5am to 6am125
94%
6am to 7am220
96%
7am to 8am72
89%
8am to 9am48
98%
9am to 10am62
94%
10am to 11am93
88%
11am to 12pm125
86%
12pm to 1pm190
82%
1pm to 2pm107
84%
2pm to 3pm182
71%
3pm to 4pm76
80%
4pm to 5pm73
74%
5pm to 6pm168
68%
6pm to 7pm88
75%
7pm to 8pm63
68%
8pm to 9pm200
58%
9pm to 10pm134
63%

Flights by month

MonthFlightsFlights, relativePassengers
August 2025161
21,995
September 2025188
24,155
October 2025199
27,178
November 2025194
25,013
December 2025204
28,476
January 2026137
18,247
February 2026131
18,464
March 2026165
20,936
April 2026161
18,528
May 2026174
21,639
June 2026154
20,949
July 2026161
22,176

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.