Route · SDF → HOU · 2020–2025 BTS data
Louisville to Houston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SDF to HOU (Louisville to Houston) ranks #4768 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 57 min
- Delay when late
- 648
- Flights
- #4768 of 4927
- Corpus placement
Cancelled
3.4%
Best Month
N/A
Worst Month
N/A
Distance
803 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Jul 2025 | 31 | 7 | 0 | 0 | WN |
| Jun 2025 | 30 | 9 | 0 | 1 | WN |
| May 2025 | 31 | 7 | 0 | 0 | WN |
| Apr 2025 | 30 | 4 | 0 | 0 | WN |
| Oct 2024 | 35 | 4 | 1 | 0 | WN |
| Aug 2024 | 31 | 1 | 0 | 0 | WN |
| Jul 2024 | 31 | 9 | 1 | 1 | WN |
| Jun 2024 | 30 | 3 | 0 | 1 | WN |
| May 2024 | 33 | 15 | 0 | 0 | WN |
| Apr 2024 | 30 | 6 | 0 | 0 | WN |
| Mar 2024 | 30 | 9 | 0 | 0 | WN |
| Dec 2023 | 31 | 7 | 0 | 0 | WN |
| Nov 2023 | 30 | 1 | 0 | 0 | WN |
| Oct 2023 | 31 | 1 | 0 | 0 | WN |
| Sep 2023 | 30 | 9 | 0 | 1 | WN |
| Aug 2023 | 31 | 3 | 0 | 0 | WN |
| Oct 2022 | 30 | 1 | 0 | 0 | WN |
| Aug 2020 | 31 | 1 | 1 | 0 | WN |
| Jul 2020 | 31 | 2 | 0 | 0 | WN |
| Apr 2020 | 30 | 1 | 16 | 0 | WN |
| Mar 2020 | 31 | 1 | 3 | 0 | WN |
SDF–HOU seasonal on-time pattern
Best: November (96.7%) · weakest: May (65.6%)
Strongest calendar month
November
96.7% on-time · ~30 flights/mo
Busiest calendar month
May
~32 flights/mo avg
Weakest calendar month
May
65.6% on-time · ~32 flights/mo
Cancellation Rate
3.4%
22 of 648 flights
Diversion Rate
0.6%
4 of 648 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SDF - Louisville
Full on-time, delay-cause, and seasonal performance for Louisville, KY.
SDF on-time profileHOU - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
HOU on-time profileCompare the two airports
See SDF and HOU side by side on delays, cancellations, and reliability.
Compare SDF vs HOUOrigin-hub reliability standing
Mid-pack among SDF departures
From SDF, this corridor sits with 13 other 75–85% on-time routes out of 23 tracked departures, not the hub's reliability leaders (9 at ≥85%) and not the softest ( 1 below 75%). Destination: Houston · fleet on-time rank #1451 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SDF–HOU.
Routes with a similar on-time rate
What the Data Says About SDF to HOU
Bureau of Transportation Statistics records show Louisville to Houston (SDF to HOU) running a 84.4% on-time rate over 648 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 56.8 minutes. The 803-mile corridor is served by 1 carrier, and over the last 24 months 3.4% of 648 flights were cancelled, 0.6% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
On the multi-year calendar, SDF–HOU peaks in November at 96.7% on-time while May carries the heaviest traffic (~32 flights per month) ; the softest month is May at 65.6%, a 31.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SDF to HOU rank among US routes by traffic? ▼
How often are flights delayed from SDF to HOU? ▼
What is the cancellation rate for SDF to HOU? ▼
How far is the flight from SDF to HOU? ▼
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 SDF–HOU data
SDF–HOU runs 5.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SDF and HOU airport profiles: delay causes and top routes differ even on the same corridor. SDF airport
- If your dates flex, November (96.7% on-time) beats May (65.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 84.4% 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.