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

Santa Ana, CA (SNA) to San Francisco, CA (SFO) flight delay odds

68.7% of 4,771 official scheduled SNA-to-SFO flights arrived on time; 20.6% arrived at least 30 minutes late and 1.5% 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
68.7%arrived on time
20.6%30+ min late
1.5%cancelled
4,771scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.7%all scheduled flights
120+ minutes late3.4%all scheduled flights
Diverted0.8%did not reach as scheduled
Average arrival+11.8 mincompleted flights

Which departure time was most reliable for SNA to SFO?

Among qualifying SNA-to-SFO departure window results, Early morning had the highest on-time rate: 80.0% of 730 flights. Night was lowest at 59.7% across 62 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning73080.0%11.8%1.4%
Late morning98165.4%24.5%0.6%
Afternoon1,53472.4%17.3%1.2%
Evening1,46461.7%26.5%2.0%
Night6259.7%6.5%8.1%

Which weekday was most reliable for SNA to SFO?

Among qualifying SNA-to-SFO weekday results, Tuesday had the highest on-time rate: 76.9% of 655 flights. Sunday was lowest at 59.2% across 688 flights.

DayFlightsOn time30+ minCancelled
Monday72264.5%23.5%1.8%
Tuesday65576.9%14.7%0.8%
Wednesday65370.1%21.4%1.2%
Thursday70466.2%22.9%2.0%
Friday71668.3%21.5%0.8%
Saturday63376.9%15.5%1.7%
Sunday68859.2%24.0%1.9%

Which airline was most reliable for SNA to SFO?

Among qualifying SNA-to-SFO airline results, Alaska Airlines had the highest on-time rate: 84.0% of 50 flights. Frontier Airlines was lowest at 57.5% across 146 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines3,56469.3%20.0%1.6%
United Airlines1,01167.5%22.4%0.9%
Frontier Airlines14657.5%28.8%1.4%
Alaska Airlines5084.0%4.0%2.0%

Which month was most reliable for SNA to SFO?

Among qualifying SNA-to-SFO month results, March 2026 had the highest on-time rate: 89.0% of 345 flights. May 2026 was lowest at 37.5% across 413 flights.

MonthFlightsOn time30+ minCancelled
July 202539874.9%15.8%0.8%
August 202542581.6%11.1%0.5%
September 202543679.8%11.9%0.2%
October 202544874.8%16.5%0.7%
November 202544669.1%21.7%3.6%
December 202539768.5%24.2%3.5%
January 202637985.2%10.0%1.8%
February 202631978.7%15.4%0.3%
March 202634589.0%5.5%0.6%
April 202637746.4%31.8%2.7%
May 202641337.5%41.2%1.7%
June 202638840.7%41.0%1.0%

What drove SNA to SFO delay minutes?

National airspace was the largest recorded SNA-to-SFO delay category, accounting for 53.1% of 92,880 BTS-attributed delay minutes during July 2025–June 2026.

Airline16.7%
Late aircraft24.5%
National airspace53.1%
Weather5.7%
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.