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Route Reliability

Atlanta → MLI

ATL–MLI · 633 miles · Hartsfield–Jackson Atlanta International Airport to MLI Airport

72
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
10 min
Average arrival delay
2.2%
Cancelled
739
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 74% of the time across 739 flights. No comparison to make.

What the data says

Departure time hasn't mattered much.

On-time rates stay between 73% and 74% across the day.

Tuesdays have been rough.

ATL–MLI flights arrived on time 82% of the time on Thursdays and just 67% on Tuesdays. That gap is worth planning around.

Ticking up lately.

ATL–MLI flights arrived on time 74% of the time over the last three months in the data, compared with 70% 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
  • Mon71%(105 flights)
  • Tue67%(103 flights)
  • Wed82%(103 flights)
  • Thu82%(101 flights)
  • Fri74%(99 flights)
  • Sat70%(103 flights)
  • Sun72%(107 flights)
On-time by departure window
  • 9 AM–12 PM73%(11 flights)
  • 3–6 PM74%(357 flights)
  • 6–9 PM—(1 flights)
  • 9 PM–12 AM73%(352 flights)
On-time trend by month
73%
May

Jun 66% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202566%58
July 202570%60
August 202575%61
September 202583%60
October 202586%62
November 202573%52
December 202560%62
January 202682%60
February 202668%56
March 202668%59
April 202683%58
May 202673%73

Keep nerding

Based on 739 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.