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

Portland, OR (PDX) to Santa Ana, CA (SNA) flight delay odds

Historically, 89.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,546 flights.

HISTORICAL ROUTE SIGNALLower disruption
89.6%arrived on time
3.8%30+ min late
1.2%cancelled
1,546scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late0.8%all scheduled flights
120+ minutes late0.4%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival-4.9 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 morning36484.6%5.8%1.1%
Late morning40688.7%4.9%1.2%
Afternoon35192.9%2.3%0.6%
Evening42592.0%2.4%1.9%

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
Monday22889.0%3.5%1.3%
Tuesday22488.4%4.0%0.9%
Wednesday21787.1%5.1%0.9%
Thursday22190.5%2.3%1.4%
Friday22191.0%1.8%1.8%
Saturday20892.8%4.3%0.5%
Sunday22788.5%5.7%1.8%

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
Alaska Airlines1,54689.6%3.8%1.2%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202511988.2%3.4%2.5%
August 202513387.2%3.0%2.3%
September 202514795.2%2.7%0.0%
October 202514382.5%8.4%1.4%
November 202514489.6%5.6%0.0%
December 202514980.5%8.7%2.7%
January 202611885.6%1.7%1.7%
February 202610787.9%2.8%0.9%
March 202612490.3%5.6%0.0%
April 202612093.3%0.8%2.5%
May 202612497.6%0.0%0.8%
June 202611899.2%0.8%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.

Airline44.6%
Late aircraft16.2%
National airspace38.7%
Weather0.6%
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.