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Route Reliability

Chicago → SGF

ORD–SGF · 438 miles · Chicago O'Hare International Airport to SGF Airport

66
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
13 min
Average arrival delay
2.6%
Cancelled
2,520
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.American Airlines75%1,263 flights
  2. 2.United Airlines69%1,257 flights

What the data says

The late departure is the smart one here.

ORD–SGF flights departing between 9 PM–12 AM arrived on time 81% of the time, versus 66% between 3–6 PM.

Monday is the weak spot.

ORD–SGF flights arrived on time 78% of the time on Saturdays. On Mondays: 69%.

American Airlines has a slight edge here.

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

Ticking up lately.

ORD–SGF flights arrived on time 71% of the time over the last three months in the data, compared with 66% 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
  • Mon69%(374 flights)
  • Tue76%(314 flights)
  • Wed71%(345 flights)
  • Thu72%(368 flights)
  • Fri69%(372 flights)
  • Sat78%(302 flights)
  • Sun72%(366 flights)
On-time by departure window
  • 6–9 AM80%(605 flights)
  • 9 AM–12 PM68%(108 flights)
  • 12–3 PM75%(572 flights)
  • 3–6 PM66%(475 flights)
  • 6–9 PM68%(665 flights)
  • 9 PM–12 AM81%(16 flights)
On-time trend by month
78%
May

Jun 72% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%219
July 202570%222
August 202580%226
September 202584%225
October 202571%232
November 202571%201
December 202559%184
January 202666%146
February 202674%142
March 202667%178
April 202668%229
May 202678%237

Keep nerding

Based on 2,520 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.