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

San Francisco, CA (SFO) to Atlanta, GA (ATL) flight delay odds

Historically, 80.7% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 3,350 flights.

HISTORICAL ROUTE SIGNALLower disruption
80.7%arrived on time
11.4%30+ min late
0.8%cancelled
3,350scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.0%all scheduled flights
120+ minutes late2.4%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+3.4 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 morning91790.2%5.6%0.7%
Late morning49886.3%8.2%0.2%
Afternoon62580.3%11.4%0.3%
Night1,31072.2%16.8%1.4%

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
Monday51482.3%9.5%0.8%
Tuesday43583.7%8.7%0.9%
Wednesday44683.9%9.6%0.2%
Thursday50679.1%13.8%0.4%
Friday50577.0%14.9%0.8%
Saturday43482.0%9.2%0.9%
Sunday51078.2%13.3%1.6%

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 Lines2,40782.3%10.3%0.7%
United Airlines63786.2%8.2%0.2%
Frontier Airlines30657.5%27.5%3.3%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202531975.2%14.1%0.6%
August 202530479.3%13.8%0.3%
September 202527785.9%5.1%0.0%
October 202530387.5%6.6%0.0%
November 202528681.5%12.2%1.0%
December 202527178.6%12.9%2.2%
January 202621784.8%9.7%1.8%
February 202621988.6%6.8%0.0%
March 202628182.9%8.9%2.8%
April 202628478.2%14.1%0.0%
May 202628573.0%15.8%0.4%
June 202630477.0%15.1%0.7%

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.

Airline41.6%
Late aircraft46.2%
National airspace10.7%
Weather1.5%
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.