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

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

62.4% of 6,060 official scheduled LAS-to-SFO flights arrived on time; 25.1% arrived at least 30 minutes late and 0.7% 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 SIGNALVariable
62.4%arrived on time
25.1%30+ min late
0.7%cancelled
6,060scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.7%all scheduled flights
120+ minutes late3.6%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+16.1 mincompleted flights

Which departure time was most reliable for LAS to SFO?

Among qualifying LAS-to-SFO departure window results, Early morning had the highest on-time rate: 72.9% of 1,466 flights. Night was lowest at 48.6% across 426 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,46672.9%16.8%0.8%
Late morning1,05866.8%20.2%0.7%
Afternoon1,67865.3%22.5%0.4%
Evening1,43248.9%37.5%0.7%
Night42648.6%33.6%1.2%

Which weekday was most reliable for LAS to SFO?

Among qualifying LAS-to-SFO weekday results, Saturday had the highest on-time rate: 73.1% of 796 flights. Thursday was lowest at 57.7% across 929 flights.

DayFlightsOn time30+ minCancelled
Monday92459.5%27.8%0.8%
Tuesday75968.8%17.1%0.5%
Wednesday75064.0%25.5%0.4%
Thursday92957.7%29.3%1.1%
Friday93558.4%27.8%0.7%
Saturday79673.1%18.3%0.4%
Sunday96758.2%27.2%0.7%

Which airline was most reliable for LAS to SFO?

Among qualifying LAS-to-SFO airline results, United Airlines had the highest on-time rate: 67.2% of 2,756 flights. Southwest Airlines was lowest at 48.6% across 1,310 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines2,75667.2%21.7%0.4%
Southwest Airlines1,31048.6%33.9%0.4%
Alaska Airlines1,11665.8%22.6%1.1%
Frontier Airlines87563.4%25.7%1.4%
SkyWest Airlines366.7%0.0%0.0%

Which month was most reliable for LAS to SFO?

Among qualifying LAS-to-SFO month results, March 2026 had the highest on-time rate: 82.8% of 488 flights. June 2026 was lowest at 39.8% across 510 flights.

MonthFlightsOn time30+ minCancelled
July 202549464.2%23.5%1.2%
August 202552073.5%14.8%0.4%
September 202551363.0%20.5%0.4%
October 202552158.0%25.7%0.8%
November 202550060.8%25.6%2.4%
December 202551066.9%22.7%0.4%
January 202652177.7%16.7%0.8%
February 202644572.1%21.6%0.0%
March 202648882.8%10.5%0.4%
April 202650452.2%32.9%0.2%
May 202653440.1%42.1%0.7%
June 202651039.8%42.7%0.4%

What drove LAS to SFO delay minutes?

National airspace was the largest recorded LAS-to-SFO delay category, accounting for 51.8% of 131,193 BTS-attributed delay minutes during July 2025–June 2026.

Airline15.6%
Late aircraft31.3%
National airspace51.8%
Weather1.2%
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.