Route · SGF → IAH · 2020–2025 BTS data
Springfield to Houston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SGF to IAH (Springfield to Houston) ranks #4554 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 79.1%
- On-time
- +0.1 pts
- vs US avg
- 115 min
- Delay when late
- 944
- Flights
- #4554 of 4927
- Corpus placement
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 |
SGF–IAH seasonal on-time pattern
Best: March (87.3%) · weakest: June (69.8%)
Strongest calendar month
March
87.3% on-time · ~63 flights/mo
Busiest calendar month
May
~98 flights/mo avg
Weakest calendar month
June
69.8% on-time · ~63 flights/mo
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.
SGF on-time profileIAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
IAH on-time profileCompare the two airports
See SGF and IAH side by side on delays, cancellations, and reliability.
Compare SGF vs IAHOrigin-hub reliability standing
Mid-pack among SGF departures
From SGF, this corridor sits with 5 other 75–85% on-time routes out of 6 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 0 below 75%). Destination: Houston · fleet on-time rank #3499 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SGF–IAH.
Routes with a similar on-time rate
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.
On the multi-year calendar, SGF–IAH peaks in March at 87.3% on-time while May carries the heaviest traffic (~98 flights per month) ; the softest month is June at 69.8%, a 17.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SGF to IAH rank among US routes by traffic? ▼
How often are flights delayed from SGF to IAH? ▼
What is the cancellation rate for SGF to IAH? ▼
How far is the flight from SGF to IAH? ▼
When is the best time to fly from SGF to IAH? ▼
Airports on this route
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.
Using SGF–IAH data
SGF–IAH is mid-pack at 79.1% on-time; month and carrier mix move more than the corridor headline.
- Compare SGF and IAH airport profiles: delay causes and top routes differ even on the same corridor. SGF airport
- If your dates flex, March (87.3% on-time) beats June (69.8%) on this corridor. Seasonal chart
- 4 other routes post a similar 79.1% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.