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

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

Historically, 91.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 900 flights.

HISTORICAL ROUTE SIGNALLower disruption
91.8%arrived on time
4.9%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 late1.8%all scheduled flights
120+ minutes late0.9%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival-11.8 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 morning24392.6%3.3%1.6%
Afternoon36491.8%5.8%0.8%
Night29391.1%5.1%1.7%

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
Monday13394.7%2.3%1.5%
Tuesday13591.1%5.9%0.7%
Wednesday12995.3%1.6%0.0%
Thursday13194.7%3.1%0.0%
Friday13388.0%7.5%3.0%
Saturday10690.6%5.7%2.8%
Sunday13388.0%8.3%1.5%

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
Delta Air Lines90091.8%4.9%1.3%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20258889.8%8.0%0.0%
August 20258289.0%6.1%2.4%
September 20257798.7%1.3%0.0%
October 20258596.5%2.4%0.0%
November 20257390.4%4.1%4.1%
December 20258888.6%5.7%2.3%
January 20266288.7%9.7%1.6%
February 20265698.2%1.8%0.0%
March 20266283.9%12.9%1.6%
April 20266098.3%0.0%1.7%
May 20268190.1%4.9%1.2%
June 20268690.7%2.3%1.2%

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.

Airline40.3%
Late aircraft32.2%
National airspace22.2%
Weather5.3%
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.