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

Dallas, TX (DAL) to San Diego, CA (SAN) flight delay odds

73.2% of 1,575 official scheduled DAL-to-SAN flights arrived on time; 14.5% arrived at least 30 minutes late and 1.3% 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
73.2%arrived on time
14.5%30+ min late
1.3%cancelled
1,575scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.9%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+7.8 mincompleted flights

Which departure time was most reliable for DAL to SAN?

Among qualifying DAL-to-SAN departure window results, Early morning had the highest on-time rate: 92.0% of 448 flights. Night was lowest at 55.0% across 111 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning44892.0%2.5%0.9%
Late morning31074.5%13.2%0.6%
Afternoon30469.7%13.8%0.3%
Evening40259.0%26.1%2.5%
Night11155.0%26.1%2.7%

Which weekday was most reliable for DAL to SAN?

Among qualifying DAL-to-SAN weekday results, Tuesday had the highest on-time rate: 78.3% of 230 flights. Sunday was lowest at 67.3% across 226 flights.

DayFlightsOn time30+ minCancelled
Monday24676.8%12.2%0.8%
Tuesday23078.3%12.2%1.3%
Wednesday22175.1%11.8%0.5%
Thursday24269.8%15.7%0.8%
Friday24469.7%16.4%1.6%
Saturday16676.5%15.1%1.2%
Sunday22667.3%18.1%2.7%

Which airline was most reliable for DAL to SAN?

Only Southwest Airlines met the DAL-to-SAN airline threshold: 73.2% of 1,575 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,57573.2%14.5%1.3%

Which month was most reliable for DAL to SAN?

Among qualifying DAL-to-SAN month results, August 2025 had the highest on-time rate: 83.3% of 120 flights. June 2026 was lowest at 48.5% across 136 flights.

MonthFlightsOn time30+ minCancelled
July 202514172.3%15.6%0.7%
August 202512083.3%5.8%0.0%
September 202511678.4%10.3%0.0%
October 202514074.3%12.1%0.7%
November 202513372.2%15.0%5.3%
December 202513873.2%18.1%0.7%
January 202612577.6%8.8%3.2%
February 202612382.1%7.3%0.8%
March 202613880.4%11.6%0.7%
April 202613070.0%13.1%0.0%
May 202613568.9%20.0%1.5%
June 202613648.5%33.1%1.5%

What drove DAL to SAN delay minutes?

Late aircraft was the largest recorded DAL-to-SAN delay category, accounting for 46.1% of 20,380 BTS-attributed delay minutes during July 2025–June 2026.

Airline32.3%
Late aircraft46.1%
National airspace18.8%
Weather2.8%
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.