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

Atlanta, GA (ATL) to Boise, ID (BOI) flight delay odds

78.9% of 545 official scheduled ATL-to-BOI flights arrived on time; 11.4% 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 SIGNALGenerally reliable
78.9%arrived on time
11.4%30+ min late
1.3%cancelled
545scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.0%all scheduled flights
120+ minutes late1.3%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+5.1 mincompleted flights

Which departure time was most reliable for ATL to BOI?

Among qualifying ATL-to-BOI departure window results, Late morning had the highest on-time rate: 88.8% of 365 flights. Evening was lowest at 58.9% across 180 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning36588.8%5.2%1.6%
Evening18058.9%23.9%0.6%

Which weekday was most reliable for ATL to BOI?

Among qualifying ATL-to-BOI weekday results, Saturday had the highest on-time rate: 85.7% of 56 flights. Sunday was lowest at 73.3% across 90 flights.

DayFlightsOn time30+ minCancelled
Monday7774.0%19.5%0.0%
Tuesday7580.0%12.0%1.3%
Wednesday7279.2%9.7%0.0%
Thursday8782.8%10.3%0.0%
Friday8879.5%9.1%1.1%
Saturday5685.7%5.4%3.6%
Sunday9073.3%12.2%3.3%

Which airline was most reliable for ATL to BOI?

Only Delta Air Lines met the ATL-to-BOI airline threshold: 78.9% of 545 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines54578.9%11.4%1.3%

Which month was most reliable for ATL to BOI?

Among qualifying ATL-to-BOI month results, February 2026 had the highest on-time rate: 96.4% of 28 flights. March 2026 was lowest at 59.6% across 52 flights.

MonthFlightsOn time30+ minCancelled
July 20255766.7%26.3%0.0%
August 20254586.7%8.9%0.0%
September 20253989.7%5.1%0.0%
October 20254381.4%9.3%2.3%
November 20254470.5%11.4%2.3%
December 20254271.4%9.5%2.4%
January 20263488.2%2.9%5.9%
February 20262896.4%0.0%0.0%
March 20265259.6%23.1%3.8%
April 20265680.4%10.7%0.0%
May 20265680.4%14.3%0.0%
June 20264989.8%2.0%0.0%

What drove ATL to BOI delay minutes?

Airline was the largest recorded ATL-to-BOI delay category, accounting for 48.8% of 5,460 BTS-attributed delay minutes during July 2025–June 2026.

Airline48.8%
Late aircraft24.0%
National airspace24.6%
Weather2.6%
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.