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Route Reliability

SGF → Houston

SGF–IAH · 513 miles · SGF Airport to George Bush Intercontinental Airport

82
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
7 min
Average arrival delay
1.5%
Cancelled
1,128
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 81% of the time across 1,128 flights. No comparison to make.

What the data says

Morning-you made the right choice.

SGF–IAH flights departing between 9 AM–12 PM arrived on time 90% of the time, versus 72% between 12–3 PM.

Skip Monday if you can.

SGF–IAH flights arrived on time 86% of the time on Tuesdays. On Mondays: 73%.

Slipping a little lately.

SGF–IAH flights arrived on time 80% of the time over the last three months in the data, compared with 85% 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
  • Mon73%(165 flights)
  • Tue86%(154 flights)
  • Wed83%(137 flights)
  • Thu86%(165 flights)
  • Fri78%(166 flights)
  • Sat80%(157 flights)
  • Sun85%(163 flights)
On-time by departure window
  • 6–9 AM83%(538 flights)
  • 9 AM–12 PM90%(148 flights)
  • 12–3 PM72%(119 flights)
  • 3–6 PM78%(302 flights)
On-time trend by month
73%
May

Jun 65% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%86
July 202575%103
August 202581%98
September 202585%86
October 202592%97
November 202585%106
December 202580%93
January 202688%84
February 202689%79
March 202688%85
April 202679%86
May 202673%104

Keep nerding

Based on 1,128 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.