FlightRecord

Springfield (SGF) to Houston (IAH): On-Time Performance

Data through May 2026

Springfield (SGF) to Houston (IAH) is a thinner route than most in this dataset — 163 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 76% arrived on time.

On-time
76%
arrived <15 min late
Avg delay
28 min
completed flights
Cancelled
1.3%
Flights/day
0.45
last 12 months
Duration
2h 8m
scheduled
Distance
513 mi

Monthly on-time trend

Monthly on-time percentage for SGF to IAH flights50%75%100%August 2024: 78% on-time (45 flights)78Aug 2024September 2024: 85% on-time (59 flights)85October 2024: 82% on-time (62 flights)82November 2024: 79% on-time (53 flights)79Nov 2024December 2024: 71% on-time (45 flights)71January 2025: 77% on-time (57 flights)77February 2025: 76% on-time (51 flights)76Feb 2025March 2025: 82% on-time (61 flights)82April 2025: 70% on-time (76 flights)70May 2025: 76% on-time (98 flights)76May 2025June 2025: 69% on-time (63 flights)69July 2025: 73% on-time (62 flights)73August 2025: 78% on-time (36 flights)78Aug 2025February 2026: 50% on-time (2 flights)50

Best time to fly from SGF to IAH

Aim for departures around 6 a.m. (80% on-time); avoid 4 p.m. departures (65%).

On-time percentage by scheduled departure hour, SGF to IAH6 a.m.: 80% on-time (362 flights)68 a.m.: 73% on-time (110 flights)83 p.m.: 76% on-time (226 flights)154 p.m.: 65% on-time (69 flights)16scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday80%23 min
Tuesday73%33 min
Wednesday74%24 min
Thursdaybest83%20 min
Friday79%37 min
Saturday71%33 min
Sunday74%29 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft20%
  • Airline operations64%
  • National airspace system9%
  • Weather8%

Frequently asked questions

How often are flights from SGF to IAH delayed?
24% of SGF–IAH flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 28 minutes.
What is the best time of day to fly from SGF to IAH?
Departures around 6 a.m. have the best record (80% on-time), while departures around 4 p.m. have the worst (65%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from SGF to IAH?
The scheduled SGF–IAH flight time averages 2h 8m over 513 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
How often are SGF to IAH flights cancelled?
1.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
What is the worst month to fly from SGF to IAH?
June 2025 was the roughest month in this dataset, with only 69% of arrivals on time. The best was September 2024 at 85%. If your dates are flexible, that 15-point gap is worth planning around.

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Based on 770 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.