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

San Diego, CA (SAN) to San Luis Obispo, CA (SBP) flight delay odds

Historically, 74.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 528 flights.

HISTORICAL ROUTE SIGNALHigher disruption
74.6%arrived on time
14.0%30+ min late
4.7%cancelled
528scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.9%all scheduled flights
120+ minutes late1.7%all scheduled flights
Diverted0.8%did not reach as scheduled
Average arrival+2.7 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
Afternoon25275.4%19.0%0.0%
Night22669.9%11.5%10.6%

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
Monday7473.0%13.5%6.8%
Tuesday7685.5%5.3%2.6%
Wednesday7789.6%9.1%0.0%
Thursday7365.8%23.3%8.2%
Friday7664.5%19.7%5.3%
Saturday7577.3%10.7%5.3%
Sunday7766.2%16.9%5.2%

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
SkyWest Airlines52874.6%14.0%4.7%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20256159.0%27.9%4.9%
August 20254981.6%12.2%2.0%
September 20252889.3%10.7%0.0%
October 20256075.0%13.3%8.3%
November 20255969.5%6.8%6.8%
December 20256266.1%19.4%8.1%
January 20266282.3%6.5%4.8%
February 20263992.3%5.1%0.0%
March 20263876.3%7.9%7.9%
April 20262969.0%24.1%0.0%
May 20263268.8%25.0%3.1%
June 2026988.9%0.0%0.0%

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.

Airline18.6%
Late aircraft44.1%
National airspace31.4%
Weather5.9%
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.