Skip to content
WanderNerd
Check a flight

Route Reliability

Chicago → LAF

ORD–LAF · 119 miles · Chicago O'Hare International Airport to LAF Airport

49
Bring Snacks
WanderNerd Reliability Score
69%
Arrive within 15 minutes
32 min
Average arrival delay
3.8%
Cancelled
475
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 69% of the time across 475 flights. No comparison to make.

What the data says

The 12–3 PM departure wins.

ORD–LAF flights departing between 12–3 PM arrived on time 73% of the time, versus 54% between 3–6 PM.

Saturdays have been rough.

ORD–LAF flights arrived on time 75% of the time on Thursdays and just 51% on Saturdays. That gap is worth planning around.

Keep a backup plan handy.

This route was cancelled 3.8% of the time. Typical for U.S. flights is around 1–2%.

Slipping a little lately.

ORD–LAF flights arrived on time 63% of the time over the last three months in the data, compared with 70% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon75%(80 flights)
  • Tue74%(43 flights)
  • Wed67%(43 flights)
  • Thu75%(81 flights)
  • Fri70%(83 flights)
  • Sat51%(45 flights)
  • Sun64%(80 flights)
On-time by departure window
  • 12–3 PM73%(169 flights)
  • 3–6 PM54%(24 flights)
  • 9 PM–12 AM68%(262 flights)
On-time trend by month
69%
May

Aug 76% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202576%41
September 202575%47
October 202561%49
November 202580%44
December 202563%49
January 202667%48
February 202680%44
March 202674%43
April 202646%41
May 202669%49

Keep nerding

Based on 475 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.