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

San Francisco, CA (SFO) to Los Angeles, CA (LAX) flight delay odds

Historically, 73.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 11,015 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
73.3%arrived on time
17.0%30+ min late
0.8%cancelled
11,015scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.1%all scheduled flights
120+ minutes late2.4%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+9.6 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning2,61790.7%4.9%0.6%
Late morning2,30169.0%19.6%1.1%
Afternoon2,78366.3%22.3%0.6%
Evening2,50769.6%19.7%1.0%
Night80764.9%21.9%1.2%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday1,64769.9%18.4%1.0%
Tuesday1,52178.8%12.4%0.6%
Wednesday1,48076.4%14.4%0.6%
Thursday1,63469.5%20.5%0.9%
Friday1,64870.3%19.8%1.0%
Saturday1,48178.7%13.0%1.1%
Sunday1,60470.6%19.6%0.8%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines3,26378.2%12.0%0.3%
SkyWest Airlines2,58875.8%16.0%1.0%
Delta Air Lines2,37372.4%17.7%1.6%
Southwest Airlines1,36961.4%27.1%0.6%
Alaska Airlines68569.1%18.2%0.7%
Frontier Airlines39167.5%22.8%1.5%
American Airlines34576.5%18.3%0.3%
Envoy Air10.0%100.0%0.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202589673.3%18.2%0.3%
August 202592877.3%13.6%0.6%
September 202591678.4%12.4%0.2%
October 202599173.6%17.7%0.0%
November 202590472.1%16.6%2.7%
December 202584670.8%18.6%0.6%
January 202677485.0%9.6%1.2%
February 202673976.7%14.2%0.8%
March 202692784.3%9.1%1.4%
April 202698769.0%20.4%0.9%
May 20261,02864.3%23.9%1.5%
June 20261,07960.6%25.7%0.1%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline24.3%
Late aircraft56.1%
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.