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

Atlanta, GA (ATL) to Los Angeles, CA (LAX) flight delay odds

77.6% of 5,021 official scheduled ATL-to-LAX flights arrived on time; 13.4% arrived at least 30 minutes late and 0.9% 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
77.6%arrived on time
13.4%30+ min late
0.9%cancelled
5,021scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.7%all scheduled flights
120+ minutes late2.4%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+5.2 mincompleted flights

Which departure time was most reliable for ATL to LAX?

Among qualifying ATL-to-LAX departure window results, Early morning had the highest on-time rate: 86.3% of 935 flights. Night was lowest at 65.2% across 466 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning93586.3%7.2%0.7%
Late morning1,16481.9%8.9%0.9%
Afternoon1,28476.4%13.6%0.3%
Evening1,17272.8%18.5%0.9%
Night46665.2%23.4%2.4%

Which weekday was most reliable for ATL to LAX?

Among qualifying ATL-to-LAX weekday results, Wednesday had the highest on-time rate: 84.1% of 681 flights. Sunday was lowest at 71.7% across 739 flights.

DayFlightsOn time30+ minCancelled
Monday74075.8%14.9%0.8%
Tuesday70078.3%13.9%0.1%
Wednesday68184.1%7.8%0.0%
Thursday73279.5%12.6%0.3%
Friday73676.4%14.4%1.0%
Saturday69378.2%12.4%1.3%
Sunday73971.7%17.3%2.4%

Which airline was most reliable for ATL to LAX?

Among qualifying ATL-to-LAX airline results, Spirit Airlines had the highest on-time rate: 83.4% of 271 flights. Frontier Airlines was lowest at 68.1% across 521 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines3,84978.9%12.2%0.8%
Frontier Airlines52168.1%18.8%2.1%
American Airlines38073.9%18.9%0.5%
Spirit Airlines27183.4%11.8%0.4%

Which month was most reliable for ATL to LAX?

Among qualifying ATL-to-LAX month results, March 2026 had the highest on-time rate: 84.4% of 359 flights. July 2025 was lowest at 71.7% across 498 flights.

MonthFlightsOn time30+ minCancelled
July 202549871.7%19.3%1.0%
August 202548277.8%14.1%0.8%
September 202545582.6%9.5%0.0%
October 202542682.4%9.4%0.0%
November 202542677.9%13.1%1.9%
December 202544476.1%13.7%0.9%
January 202636771.9%17.7%2.2%
February 202632378.3%12.1%0.3%
March 202635984.4%8.9%1.7%
April 202638076.1%13.7%0.0%
May 202642875.5%14.3%0.5%
June 202643377.8%13.6%1.2%

What drove ATL to LAX delay minutes?

Airline was the largest recorded ATL-to-LAX delay category, accounting for 51.3% of 67,169 BTS-attributed delay minutes during July 2025–June 2026.

Airline51.3%
Late aircraft28.2%
National airspace15.3%
Weather4.8%
Security0.4%
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.