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Route Reliability

MLI → Atlanta

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

81
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
7 min
Average arrival delay
2.3%
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 83% of the time across 739 flights. No comparison to make.

What the data says

The 6–9 AM departure wins.

MLI–ATL flights departing between 6–9 AM arrived on time 92% of the time, versus 73% between 9 AM–12 PM.

Saturday is the weak spot.

MLI–ATL flights arrived on time 89% of the time on Thursdays. On Saturdays: 78%.

Ticking up lately.

MLI–ATL flights arrived on time 85% of the time over the last three months in the data, compared with 81% 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
  • Mon84%(104 flights)
  • Tue79%(102 flights)
  • Wed87%(104 flights)
  • Thu89%(105 flights)
  • Fri83%(99 flights)
  • Sat78%(99 flights)
  • Sun81%(107 flights)
On-time by departure window
  • 3–6 AM90%(211 flights)
  • 6–9 AM92%(144 flights)
  • 9 AM–12 PM73%(11 flights)
  • 3–6 PM75%(354 flights)
On-time trend by month
82%
May

Jun 74% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%57
July 202574%61
August 202589%61
September 202593%60
October 202584%62
November 202584%51
December 202576%62
January 202683%59
February 202684%56
March 202686%59
April 202686%59
May 202682%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.