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

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

77.2% of 653 official scheduled TUS-to-SAN flights arrived on time; 17.0% arrived at least 30 minutes late and 0.5% 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 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

Which departure time was most reliable for TUS to SAN?

Among qualifying TUS-to-SAN departure window results, Early morning had the highest on-time rate: 94.8% of 270 flights. Evening was lowest at 56.7% across 261 flights.

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%

Which weekday was most reliable for TUS to SAN?

Among qualifying TUS-to-SAN weekday results, Saturday had the highest on-time rate: 90.4% of 52 flights. Friday was lowest at 64.7% across 102 flights.

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%

Which airline was most reliable for TUS to SAN?

Only Southwest Airlines met the TUS-to-SAN airline threshold: 77.2% of 653 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines65377.2%17.0%0.5%

Which month was most reliable for TUS to SAN?

Among qualifying TUS-to-SAN month results, February 2026 had the highest on-time rate: 84.6% of 52 flights. May 2026 was lowest at 69.6% across 56 flights.

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 TUS to SAN delay minutes?

Late aircraft was the largest recorded TUS-to-SAN delay category, accounting for 59.0% of 9,056 BTS-attributed delay minutes during July 2025–June 2026.

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.