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

Tucson, AZ (TUS) to San Diego, CA (SAN) flight delay odds

Historically, 77.2% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 653 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
77.2%arrived on time
17.0%30+ min late
0.5%cancelled
653scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.9%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+5.3 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 morning27094.8%1.9%0.4%
Late morning7191.5%5.6%0.0%
Afternoon5168.6%23.5%0.0%
Evening26156.7%34.5%0.8%

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
Monday10478.8%18.3%0.0%
Tuesday9782.5%13.4%0.0%
Wednesday9588.4%10.5%0.0%
Thursday10175.2%18.8%2.0%
Friday10264.7%25.5%0.0%
Saturday5290.4%3.8%0.0%
Sunday10267.6%21.6%1.0%

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 Airlines65377.2%17.0%0.5%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20255778.9%19.3%0.0%
August 20254883.3%14.6%0.0%
September 20254778.7%10.6%0.0%
October 20255671.4%21.4%0.0%
November 20255479.6%11.1%1.9%
December 20255777.2%22.8%0.0%
January 20265682.1%10.7%3.6%
February 20265284.6%9.6%0.0%
March 20265874.1%17.2%0.0%
April 20265673.2%17.9%0.0%
May 20265669.6%26.8%0.0%
June 20265675.0%19.6%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.

Airline13.2%
Late aircraft59.0%
National airspace26.2%
Weather1.3%
Security0.3%
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.