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Route Reliability

LEX → Chicago

LEX–ORD · 323 miles · LEX Airport to Chicago O'Hare International Airport

64
A Little Dicey
WanderNerd Reliability Score
73%
Arrive within 15 minutes
20 min
Average arrival delay
2.7%
Cancelled
2,577
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines75%1,550 flights
  2. 2.American Airlines69%1,027 flights

What the data says

Morning-you made the right choice.

LEX–ORD flights departing between 3–6 AM arrived on time 92% of the time, versus 50% between 6–9 PM.

Wednesday has been the better bet.

A small edge: 75% on time on Wednesdays against 71% on Fridays.

United Airlines has a slight edge here.

United Airlines arrived on time 75% of the time on this route; American Airlines managed 69%.

Trending in the right direction.

LEX–ORD flights arrived on time 77% of the time over the last three months in the data, compared with 69% 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
  • Mon72%(362 flights)
  • Tue71%(356 flights)
  • Wed75%(361 flights)
  • Thu73%(360 flights)
  • Fri71%(368 flights)
  • Sat73%(327 flights)
  • Sun72%(368 flights)
On-time by departure window
  • 3–6 AM92%(60 flights)
  • 6–9 AM84%(693 flights)
  • 9 AM–12 PM77%(608 flights)
  • 12–3 PM75%(404 flights)
  • 3–6 PM59%(388 flights)
  • 6–9 PM50%(336 flights)
  • 9 PM–12 AM54%(13 flights)
On-time trend by month
83%
May

Jun 68% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%209
July 202565%208
August 202574%206
September 202581%207
October 202568%241
November 202571%193
December 202555%178
January 202672%156
February 202680%175
March 202672%203
April 202676%245
May 202683%281

Keep nerding

Based on 2,577 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.