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Route Reliability

Atlanta → Boise

ATL–BOI · 1,838 miles · Hartsfield–Jackson Atlanta International Airport to Boise Airport

81
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
6 min
Average arrival delay
1.5%
Cancelled
549
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 79% of the time across 549 flights. No comparison to make.

What the data says

Morning flights do better here.

ATL–BOI flights departing between 9 AM–12 PM arrived on time 90% of the time, versus 59% between 6–9 PM.

Monday is the weak spot.

ATL–BOI flights arrived on time 87% of the time on Saturdays. On Mondays: 76%.

Recent months have been rougher.

ATL–BOI flights arrived on time 74% of the time over the last three months in the data, compared with 89% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon76%(76 flights)
  • Tue80%(75 flights)
  • Wed77%(74 flights)
  • Thu83%(86 flights)
  • Fri77%(87 flights)
  • Sat87%(54 flights)
  • Sun78%(88 flights)
On-time by departure window
  • 9 AM–12 PM90%(358 flights)
  • 6–9 PM59%(182 flights)
On-time trend by month
80%
May

Jun 81% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%52
July 202567%57
August 202587%45
September 202590%39
October 202583%42
November 202574%42
December 202576%41
January 202694%32
February 202696%28
March 202662%50
April 202680%56
May 202680%56

Keep nerding

Based on 549 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.