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

San Diego, CA (SAN) to Atlanta, GA (ATL) flight delay odds

84.5% of 2,412 official scheduled SAN-to-ATL flights arrived on time; 7.6% arrived at least 30 minutes late and 0.7% 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
84.5%arrived on time
7.6%30+ min late
0.7%cancelled
2,412scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.8%all scheduled flights
120+ minutes late1.7%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+1.1 mincompleted flights

Which departure time was most reliable for SAN to ATL?

Among qualifying SAN-to-ATL departure window results, Night had the highest on-time rate: 88.1% of 497 flights. Late morning was lowest at 80.4% across 603 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning73187.0%5.5%1.2%
Late morning60380.4%10.1%0.3%
Afternoon58182.6%10.3%0.3%
Night49788.1%4.6%0.8%

Which weekday was most reliable for SAN to ATL?

Among qualifying SAN-to-ATL weekday results, Wednesday had the highest on-time rate: 87.5% of 336 flights. Sunday was lowest at 82.4% across 357 flights.

DayFlightsOn time30+ minCancelled
Monday35585.6%6.5%0.8%
Tuesday33984.1%6.5%0.3%
Wednesday33687.5%5.7%0.0%
Thursday35083.4%8.0%0.6%
Friday35284.4%8.2%0.6%
Saturday32384.5%9.0%1.5%
Sunday35782.4%9.5%1.1%

Which airline was most reliable for SAN to ATL?

Among qualifying SAN-to-ATL airline results, Delta Air Lines had the highest on-time rate: 85.9% of 2,171 flights. Alaska Airlines was lowest at 72.6% across 241 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines2,17185.9%6.7%0.7%
Alaska Airlines24172.6%15.8%0.4%

Which month was most reliable for SAN to ATL?

Among qualifying SAN-to-ATL month results, April 2026 had the highest on-time rate: 96.0% of 176 flights. March 2026 was lowest at 71.7% across 187 flights.

MonthFlightsOn time30+ minCancelled
July 202523076.5%11.7%0.9%
August 202522980.8%7.9%0.9%
September 202521788.9%7.8%0.0%
October 202523390.6%6.0%0.0%
November 202521885.3%9.6%1.4%
December 202521577.7%11.2%0.9%
January 202617979.9%6.1%2.2%
February 202616589.7%7.3%0.0%
March 202618771.7%11.2%1.1%
April 202617696.0%1.7%0.0%
May 202618590.8%4.3%0.5%
June 202617889.3%4.5%0.6%

What drove SAN to ATL delay minutes?

Airline was the largest recorded SAN-to-ATL delay category, accounting for 41.8% of 22,817 BTS-attributed delay minutes during July 2025–June 2026.

Airline41.8%
Late aircraft29.4%
National airspace21.6%
Weather6.9%
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.