Route · SGF → IAH · 2020–2025 BTS data
Springfield to Houston
The SGF–IAH corridor (Springfield, MO → Houston, TX) runs ahead of the national average, served by 3 carriers across roughly 513 miles.
Data updated 2026-06-13
- 79.1%
- On-time
- +0.1 pts
- vs US avg
- 115 min
- Delay when late
- 944
- Flights
Cancelled
2.2%
Best Month
Mar 2020 91%
Worst Month
Jun 2025 70%
Distance
513 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Aug 2025 | 36 | 8 | 0 | 0 | OO |
| Jul 2025 | 62 | 17 | 0 | 0 | OO |
| Jun 2025 | 63 | 19 | 1 | 0 | OO |
| May 2025 | 98 | 23 | 2 | 0 | OO |
| Apr 2025 | 76 | 20 | 0 | 3 | OO |
| Mar 2025 | 61 | 10 | 0 | 1 | OO |
| Feb 2025 | 51 | 12 | 2 | 0 | OO |
| Jan 2025 | 57 | 12 | 4 | 0 | OO |
| Dec 2024 | 45 | 13 | 1 | 0 | OO |
| Nov 2024 | 53 | 11 | 0 | 0 | OO |
| Oct 2024 | 62 | 11 | 0 | 0 | OO |
| Sep 2024 | 59 | 9 | 0 | 0 | OO |
| Aug 2024 | 45 | 10 | 0 | 0 | OO |
| Mar 2020 | 65 | 6 | 11 | 0 | EV,OO |
| Feb 2020 | 53 | 7 | 0 | 0 | EV,OO |
| Jan 2020 | 58 | 9 | 0 | 0 | OO,EV |
Cancellation Rate
2.2%
21 of 944 flights
Diversion Rate
0.4%
4 of 944 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SGF - Springfield
Full on-time, delay-cause, and seasonal performance for Springfield, MO.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See SGF and IAH side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SGF–IAH.
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What the Data Says About SGF to IAH
944 tracked flights put the SGF to IAH pairing (Springfield to Houston) at a 79.1% on-time rate, squarely in line with the wider network. Delays that do occur run 115.4 minutes on average. Across the 513-mile route and its 3 carriers, the trailing 24 months show 2.2% cancelled and 0.4% diverted (944 flights sampled).
The monthly split is wide on this route: Mar 2020 posted the strongest performance at 91% on-time, while Jun 2025 came in at just 70% - a 21-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.