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Route Reliability

Denver → SGF

DEN–SGF · 637 miles · Denver International Airport to SGF Airport

82
Pretty Reliable
WanderNerd Reliability Score
78%
Arrive within 15 minutes
8 min
Average arrival delay
0.8%
Cancelled
1,267
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 78% of the time across 1,267 flights. No comparison to make.

What the data says

Morning flights do better here.

DEN–SGF flights departing between 6–9 AM arrived on time 94% of the time, versus 68% between 6–9 PM.

Thursday comes out ahead.

A small edge: 80% on time on Thursdays against 76% on Wednesdays.

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
  • Mon79%(181 flights)
  • Tue78%(174 flights)
  • Wed76%(177 flights)
  • Thu80%(179 flights)
  • Fri78%(180 flights)
  • Sat78%(176 flights)
  • Sun79%(186 flights)
On-time by departure window
  • 6–9 AM94%(17 flights)
  • 9 AM–12 PM84%(360 flights)
  • 12–3 PM83%(361 flights)
  • 3–6 PM73%(357 flights)
  • 6–9 PM68%(158 flights)
On-time trend by month
83%
May

Jun 62% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%118
July 202557%124
August 202576%123
September 202584%119
October 202585%116
November 202593%89
December 202575%92
January 202685%91
February 202683%84
March 202683%89
April 202683%88
May 202683%120

Keep nerding

Based on 1,267 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.