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

San Jose, CA (SJC) to Las Vegas, NV (LAS) flight delay odds

79.2% of 3,829 official scheduled SJC-to-LAS flights arrived on time; 13.2% 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 SIGNALGenerally reliable
79.2%arrived on time
13.2%30+ min late
0.5%cancelled
3,829scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.7%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+5.7 mincompleted flights

Which departure time was most reliable for SJC to LAS?

Among qualifying SJC-to-LAS departure window results, Early morning had the highest on-time rate: 96.1% of 867 flights. Night was lowest at 62.0% across 158 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning86796.1%2.1%0.0%
Late morning63888.4%6.3%0.5%
Afternoon1,35072.7%17.6%0.7%
Evening81668.1%21.0%0.6%
Night15862.0%23.4%1.9%

Which weekday was most reliable for SJC to LAS?

Among qualifying SJC-to-LAS weekday results, Saturday had the highest on-time rate: 87.6% of 428 flights. Thursday was lowest at 71.6% across 602 flights.

DayFlightsOn time30+ minCancelled
Monday61676.6%15.6%0.6%
Tuesday48985.5%9.6%0.2%
Wednesday46985.7%9.0%0.0%
Thursday60271.6%17.8%0.3%
Friday62172.8%17.9%1.3%
Saturday42887.6%7.0%0.0%
Sunday60480.0%11.8%0.8%

Which airline was most reliable for SJC to LAS?

Among qualifying SJC-to-LAS airline results, Spirit Airlines had the highest on-time rate: 85.9% of 199 flights. Frontier Airlines was lowest at 70.8% across 185 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines3,24179.2%13.1%0.5%
SkyWest Airlines20280.2%14.9%0.0%
Spirit Airlines19985.9%8.0%0.5%
Frontier Airlines18570.8%18.4%2.2%
United Airlines2100.0%0.0%0.0%

Which month was most reliable for SJC to LAS?

Among qualifying SJC-to-LAS month results, January 2026 had the highest on-time rate: 86.9% of 297 flights. July 2025 was lowest at 73.2% across 380 flights.

MonthFlightsOn time30+ minCancelled
July 202538073.2%16.6%1.1%
August 202538180.8%11.8%0.0%
September 202537579.7%13.6%0.8%
October 202531677.5%13.3%0.0%
November 202531375.1%17.6%1.0%
December 202532080.6%11.2%0.0%
January 202629786.9%8.1%1.0%
February 202626783.5%11.2%0.0%
March 202629682.1%10.1%0.3%
April 202629079.3%11.0%1.0%
May 202630379.5%12.9%0.7%
June 202629173.9%19.6%0.3%

What drove SJC to LAS delay minutes?

Late aircraft was the largest recorded SJC-to-LAS delay category, accounting for 51.0% of 44,701 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.8%
Late aircraft51.0%
National airspace24.8%
Weather3.3%
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.