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Route Reliability

ILM → Chicago

ILM–ORD · 760 miles · ILM Airport to Chicago O'Hare International Airport

70
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
9 min
Average arrival delay
2.5%
Cancelled
568
Flights in the data

Data through May 2026.

Airlines on this route

  • American Airlines75% on time · 478 flights
  • United Airlines67% on time · 90 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning flights do better here.

ILM–ORD flights departing between 9 AM–12 PM arrived on time 92% of the time, versus 39% between 6–9 PM.

Thursday is the weak spot.

ILM–ORD flights arrived on time 81% of the time on Tuesdays. On Thursdays: 68%.

Recent months have been rougher.

ILM–ORD flights arrived on time 86% of the time over the last three months in the data, compared with 94% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon77%(75 flights)
  • Tue81%(63 flights)
  • Wed74%(69 flights)
  • Thu68%(83 flights)
  • Fri74%(88 flights)
  • Sat77%(85 flights)
  • Sun71%(88 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM91%(96 flights)
  • 9 AM–12 PM92%(82 flights)
  • 12–3 PM78%(122 flights)
  • 3–6 PM68%(179 flights)
  • 6–9 PM39%(71 flights)
On-time trend by month
87%
May

Jun 60% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%93
July 202550%101
August 202568%66
September 202594%31
October 202594%31
February 202695%37
March 202686%62
April 202686%56
May 202687%69

Keep nerding

Based on 568 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.