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

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

75.2% of 528 official scheduled SBP-to-SAN flights arrived on time; 11.9% arrived at least 30 minutes late and 3.8% 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
75.2%arrived on time
11.9%30+ min late
3.8%cancelled
528scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.6%all scheduled flights
120+ minutes late2.8%all scheduled flights
Diverted0.9%did not reach as scheduled
Average arrival+9.4 mincompleted flights

Which departure time was most reliable for SBP to SAN?

Among qualifying SBP-to-SAN departure window results, Early morning had the highest on-time rate: 77.0% of 244 flights. Afternoon was lowest at 75.0% across 252 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning24477.0%6.6%8.2%
Afternoon25275.0%15.1%0.0%

Which weekday was most reliable for SBP to SAN?

Among qualifying SBP-to-SAN weekday results, Wednesday had the highest on-time rate: 80.3% of 76 flights. Friday was lowest at 68.0% across 75 flights.

DayFlightsOn time30+ minCancelled
Monday7477.0%8.1%5.4%
Tuesday7779.2%9.1%3.9%
Wednesday7680.3%9.2%1.3%
Thursday7477.0%16.2%0.0%
Friday7568.0%16.0%6.7%
Saturday7576.0%13.3%4.0%
Sunday7768.8%11.7%5.2%

Which airline was most reliable for SBP to SAN?

Only SkyWest Airlines met the SBP-to-SAN airline threshold: 75.2% of 528 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines52875.2%11.9%3.8%

Which month was most reliable for SBP to SAN?

Among qualifying SBP-to-SAN month results, February 2026 had the highest on-time rate: 85.0% of 40 flights. May 2026 was lowest at 58.1% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20256177.0%9.8%3.3%
August 20255082.0%12.0%2.0%
September 20252878.6%14.3%0.0%
October 20255976.3%11.9%5.1%
November 20255972.9%11.9%8.5%
December 20256267.7%16.1%4.8%
January 20266274.2%9.7%4.8%
February 20264085.0%7.5%0.0%
March 20263677.8%5.6%5.6%
April 20263174.2%16.1%0.0%
May 20263158.1%22.6%3.2%

What drove SBP to SAN delay minutes?

Airline was the largest recorded SBP-to-SAN delay category, accounting for 40.3% of 7,119 BTS-attributed delay minutes during July 2025–June 2026.

Airline40.3%
Late aircraft27.7%
National airspace24.2%
Weather7.2%
Security0.5%
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.