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

San Diego, CA (SAN) to Portland, OR (PDX) flight delay odds

83.2% of 1,777 official scheduled SAN-to-PDX flights arrived on time; 8.9% arrived at least 30 minutes late and 1.1% 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 SIGNALLower disruption
83.2%arrived on time
8.9%30+ min late
1.1%cancelled
1,777scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.1%all scheduled flights
120+ minutes late1.0%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-1.3 mincompleted flights

Which departure time was most reliable for SAN to PDX?

Among qualifying SAN-to-PDX departure window results, Early morning had the highest on-time rate: 92.0% of 326 flights. Evening was lowest at 77.0% across 479 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning32692.0%3.4%0.9%
Late morning40386.1%6.9%1.0%
Afternoon45980.4%11.3%0.4%
Evening47977.0%12.5%1.7%
Night11085.5%7.3%1.8%

Which weekday was most reliable for SAN to PDX?

Among qualifying SAN-to-PDX weekday results, Tuesday had the highest on-time rate: 90.3% of 247 flights. Friday was lowest at 78.3% across 263 flights.

DayFlightsOn time30+ minCancelled
Monday26382.1%9.1%0.8%
Tuesday24790.3%4.9%0.8%
Wednesday23484.6%8.1%1.3%
Thursday26280.9%11.1%1.1%
Friday26378.3%12.2%1.5%
Saturday23688.1%4.7%1.3%
Sunday27279.4%11.8%0.7%

Which airline was most reliable for SAN to PDX?

Among qualifying SAN-to-PDX airline results, SkyWest Airlines had the highest on-time rate: 86.7% of 30 flights. Southwest Airlines was lowest at 63.5% across 137 flights.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines1,61084.8%8.2%1.2%
Southwest Airlines13763.5%18.2%0.0%
SkyWest Airlines3086.7%6.7%0.0%

Which month was most reliable for SAN to PDX?

Among qualifying SAN-to-PDX month results, February 2026 had the highest on-time rate: 90.7% of 118 flights. June 2026 was lowest at 66.9% across 151 flights.

MonthFlightsOn time30+ minCancelled
July 202515780.3%10.8%1.9%
August 202514879.7%12.8%2.0%
September 202513086.9%5.4%0.8%
October 202514585.5%8.3%1.4%
November 202514580.7%10.3%0.0%
December 202515681.4%9.6%0.6%
January 202613679.4%11.0%2.2%
February 202611890.7%5.9%0.0%
March 202617290.1%5.8%1.2%
April 202616490.2%2.4%1.2%
May 202615587.1%7.1%0.0%
June 202615166.9%17.9%1.3%

What drove SAN to PDX delay minutes?

Late aircraft was the largest recorded SAN-to-PDX delay category, accounting for 57.6% of 14,160 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.8%
Late aircraft57.6%
National airspace10.3%
Weather1.3%
Security1.0%
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.