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

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

Historically, 68.7% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 4,771 flights.

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

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 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%

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
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%

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 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%

Monthly trend

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

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 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.

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.