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

Phoenix, AZ (PHX) to San Diego, CA (SAN) flight delay odds

Historically, 72.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 5,933 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
72.0%arrived on time
16.9%30+ min late
1.3%cancelled
5,933scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.2%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+10.6 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 morning1,30688.6%5.4%1.1%
Late morning1,16474.8%14.9%1.3%
Afternoon1,68070.1%18.1%0.8%
Evening1,47661.9%23.6%2.0%
Night30750.5%34.2%1.6%

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
Monday90168.4%18.4%0.7%
Tuesday80980.7%11.2%0.9%
Wednesday81480.0%13.6%1.2%
Thursday92265.2%20.1%1.8%
Friday91665.3%20.9%2.0%
Saturday67581.2%10.1%0.7%
Sunday89667.7%21.0%1.5%

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
Southwest Airlines3,19370.8%17.2%1.0%
American Airlines1,67073.8%17.1%0.7%
SkyWest Airlines44665.7%18.8%4.9%
Frontier Airlines40675.4%15.3%1.0%
Alaska Airlines21883.5%8.3%2.3%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202547373.4%18.2%1.1%
August 202547478.7%12.9%0.4%
September 202549977.0%12.4%1.8%
October 202554772.9%15.7%0.9%
November 202550364.0%22.7%5.4%
December 202546367.4%19.4%0.6%
January 202645175.6%14.2%2.7%
February 202642579.8%9.6%0.5%
March 202650575.8%16.0%0.2%
April 202651973.8%16.0%0.6%
May 202655467.1%18.6%0.5%
June 202652061.3%24.8%0.8%

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.

Airline27.4%
Late aircraft46.3%
National airspace23.2%
Weather2.6%
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.