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WanderNerd

Route Reliability

Salt Lake City → Chicago

SLCORD · 1,250 miles · Salt Lake City International Airport to Chicago O'Hare International Airport

75
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
14 min
Average arrival delay
1.0%
Cancelled
3,173
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Delta Air Lines77%1,010 flights
  2. 2.United Airlines76%1,122 flights
  3. 3.American Airlines75%1,041 flights

What the data says

Morning flights do better here.

SLC–ORD flights departing between 3–6 AM arrived on time 91% of the time, versus 67% between 3–6 PM.

Sunday scaries are real for this one.

SLC–ORD flights arrived on time 80% of the time on Tuesdays. On Sundays: 73%.

Not much between Delta Air Lines and American Airlines.

On this route they all land within 75% to 77% on time. Pick on schedule and price.

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
  • Mon73%(462 flights)
  • Tue80%(434 flights)
  • Wed77%(428 flights)
  • Thu78%(461 flights)
  • Fri73%(456 flights)
  • Sat79%(406 flights)
  • Sun73%(471 flights)
On-time by departure window
  • 3–6 AM91%(34 flights)
  • 6–9 AM88%(1047 flights)
  • 9 AM–12 PM84%(67 flights)
  • 12–3 PM71%(1062 flights)
  • 3–6 PM67%(908 flights)
On-time trend by month
77%
May

Jun 75% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%263
July 202566%268
August 202577%249
September 202583%243
October 202580%263
November 202577%233
December 202571%239
January 202672%234
February 202684%283
March 202672%307
April 202679%255
May 202677%281

Based on 3,173 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.