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

Atlanta, GA (ATL) to San Jose, CA (SJC) flight delay odds

85.7% of 900 official scheduled ATL-to-SJC flights arrived on time; 7.3% 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 SIGNALLower disruption
85.7%arrived on time
7.3%30+ min late
1.3%cancelled
900scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.2%all scheduled flights
120+ minutes late0.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival-2.0 mincompleted flights

Which departure time was most reliable for ATL to SJC?

Among qualifying ATL-to-SJC departure window results, Early morning had the highest on-time rate: 89.8% of 49 flights. Evening was lowest at 83.5% across 497 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning4989.8%4.1%2.0%
Late morning31688.3%5.7%0.9%
Evening49783.5%8.7%1.4%

Which weekday was most reliable for ATL to SJC?

Among qualifying ATL-to-SJC weekday results, Wednesday had the highest on-time rate: 89.2% of 130 flights. Friday was lowest at 82.7% across 133 flights.

DayFlightsOn time30+ minCancelled
Monday13384.2%7.5%0.8%
Tuesday13586.7%8.1%0.0%
Wednesday13089.2%5.4%0.8%
Thursday13187.8%3.8%1.5%
Friday13382.7%11.3%0.8%
Saturday10684.0%3.8%4.7%
Sunday13284.8%10.6%1.5%

Which airline was most reliable for ATL to SJC?

Only Delta Air Lines met the ATL-to-SJC airline threshold: 85.7% of 900 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines90085.7%7.3%1.3%

Which month was most reliable for ATL to SJC?

Among qualifying ATL-to-SJC month results, September 2025 had the highest on-time rate: 94.8% of 77 flights. July 2025 was lowest at 77.3% across 88 flights.

MonthFlightsOn time30+ minCancelled
July 20258877.3%15.9%1.1%
August 20258279.3%11.0%1.2%
September 20257794.8%3.9%0.0%
October 20258587.1%5.9%0.0%
November 20257384.9%6.8%4.1%
December 20258892.0%3.4%2.3%
January 20266182.0%8.2%1.6%
February 20265687.5%1.8%0.0%
March 20266288.7%8.1%1.6%
April 20266083.3%1.7%1.7%
May 20268282.9%11.0%1.2%
June 20268688.4%7.0%1.2%

What drove ATL to SJC delay minutes?

Airline was the largest recorded ATL-to-SJC delay category, accounting for 46.4% of 5,536 BTS-attributed delay minutes during July 2025–June 2026.

Airline46.4%
Late aircraft19.5%
National airspace21.7%
Weather12.4%
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.