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

San Francisco, CA (SFO) to Las Vegas, NV (LAS) flight delay odds

73.6% of 6,066 official scheduled SFO-to-LAS flights arrived on time; 18.0% arrived at least 30 minutes late and 0.6% 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
73.6%arrived on time
18.0%30+ min late
0.6%cancelled
6,066scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.8%all scheduled flights
120+ minutes late3.0%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+11.6 mincompleted flights

Which departure time was most reliable for SFO to LAS?

Among qualifying SFO-to-LAS departure window results, Early morning had the highest on-time rate: 91.5% of 1,454 flights. Afternoon was lowest at 64.8% across 1,691 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,45491.5%4.1%1.0%
Late morning85365.8%21.8%0.8%
Afternoon1,69164.8%24.2%0.4%
Evening1,24373.9%19.5%0.4%
Night82567.8%23.4%0.5%

Which weekday was most reliable for SFO to LAS?

Among qualifying SFO-to-LAS weekday results, Saturday had the highest on-time rate: 83.3% of 810 flights. Thursday was lowest at 67.4% across 917 flights.

DayFlightsOn time30+ minCancelled
Monday93570.7%20.0%1.0%
Tuesday77077.5%13.4%0.5%
Wednesday74878.1%14.7%0.5%
Thursday91767.4%23.3%0.5%
Friday94170.7%21.3%0.9%
Saturday81083.3%10.0%0.1%
Sunday94570.3%20.6%0.6%

Which airline was most reliable for SFO to LAS?

Among qualifying SFO-to-LAS airline results, United Airlines had the highest on-time rate: 79.2% of 2,757 flights. Frontier Airlines was lowest at 64.7% across 879 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines2,75779.2%12.7%0.4%
Southwest Airlines1,31265.9%24.4%0.5%
Alaska Airlines1,11675.9%16.3%0.8%
Frontier Airlines87964.7%26.8%1.3%
SkyWest Airlines250.0%50.0%0.0%

Which month was most reliable for SFO to LAS?

Among qualifying SFO-to-LAS month results, August 2025 had the highest on-time rate: 82.0% of 521 flights. April 2026 was lowest at 59.9% across 504 flights.

MonthFlightsOn time30+ minCancelled
July 202549675.6%16.5%1.4%
August 202552182.0%11.7%0.2%
September 202551277.5%15.6%0.4%
October 202552275.5%15.9%0.6%
November 202550072.6%17.0%1.8%
December 202551177.5%14.7%0.6%
January 202652280.5%12.8%0.2%
February 202644581.1%13.7%0.0%
March 202648781.3%10.1%0.4%
April 202650459.9%26.2%0.6%
May 202653560.4%30.5%0.6%
June 202651160.7%29.7%0.6%

What drove SFO to LAS delay minutes?

Late aircraft was the largest recorded SFO-to-LAS delay category, accounting for 55.3% of 104,391 BTS-attributed delay minutes during July 2025–June 2026.

Airline25.1%
Late aircraft55.3%
National airspace18.5%
Weather1.0%
Security0.0%
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.