BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
SAT→LAS

San Antonio, TX (SAT) to Las Vegas, NV (LAS) flight delay odds

80.8% of 2,059 official scheduled SAT-to-LAS flights arrived on time; 11.3% arrived at least 30 minutes late and 0.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
80.8%arrived on time
11.3%30+ min late
0.5%cancelled
2,059scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.7%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+2.4 mincompleted flights

Which departure time was most reliable for SAT to LAS?

Among qualifying SAT-to-LAS departure window results, Early morning had the highest on-time rate: 95.0% of 460 flights. Night was lowest at 66.1% across 121 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning46095.0%2.8%0.4%
Late morning29089.3%4.1%0.3%
Afternoon66379.0%11.2%0.8%
Evening52569.3%20.2%0.4%
Night12166.1%22.3%0.8%

Which weekday was most reliable for SAT to LAS?

Among qualifying SAT-to-LAS weekday results, Tuesday had the highest on-time rate: 89.7% of 271 flights. Friday was lowest at 70.3% across 327 flights.

DayFlightsOn time30+ minCancelled
Monday32779.5%13.8%0.0%
Tuesday27189.7%6.3%0.7%
Wednesday25388.5%6.3%0.0%
Thursday32674.8%11.7%0.3%
Friday32770.3%17.7%0.9%
Saturday23487.2%7.7%1.3%
Sunday32180.7%12.5%0.6%

Which airline was most reliable for SAT to LAS?

Among qualifying SAT-to-LAS airline results, Spirit Airlines had the highest on-time rate: 83.3% of 210 flights. Frontier Airlines was lowest at 77.7% across 278 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,57181.0%10.9%0.4%
Frontier Airlines27877.7%13.3%1.4%
Spirit Airlines21083.3%11.4%0.5%

Which month was most reliable for SAT to LAS?

Among qualifying SAT-to-LAS month results, November 2025 had the highest on-time rate: 88.8% of 196 flights. June 2026 was lowest at 61.1% across 157 flights.

MonthFlightsOn time30+ minCancelled
July 202518088.3%6.1%0.6%
August 202516187.0%9.3%0.0%
September 202518978.3%13.2%0.5%
October 202520081.5%12.0%0.0%
November 202519688.8%5.6%1.0%
December 202520583.4%11.7%0.5%
January 202613782.5%8.8%0.0%
February 202613182.4%7.6%0.0%
March 202616584.8%6.7%0.6%
April 202616377.3%11.0%1.2%
May 202617572.0%16.0%0.6%
June 202615761.1%27.4%1.3%

What drove SAT to LAS delay minutes?

Late aircraft was the largest recorded SAT-to-LAS delay category, accounting for 49.0% of 22,502 BTS-attributed delay minutes during July 2025–June 2026.

Airline21.6%
Late aircraft49.0%
National airspace26.1%
Weather3.1%
Security0.2%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.