Carrier route record
MQDFW→SDF
Envoy Air · Dallas-Fort Worth to Louisville
- Flights
- 389
- Period
- September 2025 to August 2026
- Share of route
- 20%
- Carriers
- 4
Historical statistics for September 2025 to August 2026, not live status. For today’s flights, check with Envoy Air.
Envoy on DFW to SDF earns an A. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 12 points better than the national rate of 77.3%. When something does go wrong the average delay runs roughly 50 minutes. That rests on 389 flights. The strongest carrier on the route with a full sample, PSA Airlines, flew 389 at 83.1% on time.
Set against the rest of the country, Envoy's DFW to SDF record is 12 points better than the US average of 77.3%. That gap is worth roughly 118 fewer late arrivals for every thousand flights.
Key figures
On time
89.1%
Arrivals under 15 minutes late, of 384 completed flights
Avg delay
52 min
Across delayed arrivals only, not all flights
Cancelled
1.29%
National rate is 1.89%
Whole route
71.8%
Every carrier on DFW to SDF, 1,992 flights
These figures cover 389 flights between September 2025 and August 2026. The median arrival is 11 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
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Carrier by carrier
Envoy against every carrier on DFW to SDF
Envoy flew 389 of the 1,992 flights on DFW to SDF, about 20% of it. Its 89.1% on time is 17 points better than the route as a whole, which runs 71.8%. Ranked by on-time rate it is first of four carriers on the route, where the range runs from Envoy at 89.1% to American at 62.1%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.
The choice of carrier is not cosmetic here. PSA Airlines arrives on time 83.1% of the time; American Airlines manages 62.1%. Sample sizes sit next to every figure, because a two-point gap across 1,184 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Envoy Air (this page) | 389 | 89.1% | 52 min | 1.29% | A |
| PSA Airlines | 389 | 83.1% | 75 min | 4.37% | B− |
| SkyWest Airlinesthin sample | 30 | 82.8% | 51 min | 3.33% | B− |
| American Airlines | 1,184 | 62.1% | 83 min | 2.96% | D |
PSA Airlines cancels 4.4% of what it schedules here, the highest in the table. A cancelled flight never appears in an on-time rate, so read that column alongside the punctuality one rather than after it.
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Departure window
When Envoy runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 10 points, against 21 points between the best and worst carrier.
- 5am–8am96 flights92.7%
- 8am–11am66 flights92.4%
- 11am–2pm129 flights89.8%
- 2pm–5pm95 flights82.6%
- 5pm–8pm3 flights—
- 8pm–5am—
Scale runs 75% to 100%. Rows with fewer than 30 flights show a dash.
Book the early departure. Flights leaving between 5am–8am arrive on time 92.7% of the time, against 82.6% for the afternoon window. That is 10 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 11am–2pm window is the busiest, with 129 flights scheduled in it.
Across the year
Envoy on DFW to SDF through the year
- Jul–Sep 202529 flights—
- Oct–Dec 202531 flights93.3%
- Jan–Mar 20269 flights—
- Apr–Jun 2026121 flights82.1%
- Jul–Sep 2026199 flights92.5%
Scale runs 75% to 100%. Rows with fewer than 30 flights show a dash.
Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 89.1% on time across 389 flights.
Envoy on DFW to SDF did not run the same all year. Its best quarter was Oct–Dec 2025 at 93.3% on time and its weakest Apr–Jun 2026 at 82.1%, a swing of 11 points on roughly 130 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
Across the week, Thursday is the strongest day at 94.6% on time and Monday the weakest at 82.3%, a spread of 12 points.
Arrival by arrival
How late Envoy on DFW to SDF runs when it is late
Envoy on DFW to SDF often beats the schedule: 138 of 384 completed flights, 36%, arrived 15 minutes or more early. The 42 late arrivals split 13 under half an hour, 19 between 30 and 60 minutes, and 10 an hour or more.
- 15+ min early138 flights35.9%
- Within 15 min204 flights53.1%
- 15–29 min late13 flights3.4%
- 30–59 min late19 flights4.9%
- 1–2 hours late7 flights1.8%
- 2+ hours late3 flights0.8%
Scale runs 0% to 100%.
Share of 384 completed flights by arrival against schedule.
A late pushback is often recovered here: of 48 departures that left 15 minutes late or more, 16 still arrived on time. 10 flights left on time and still arrived late.
The worst days
Worst days for Envoy on DFW to SDF
The latest arrival of the period was on 19 June 2026, 3 hours 5 minutes behind schedule; most of its delay minutes were filed as a late-arriving aircraft. Three of the five worst days fell in June 2026.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 19 June 2026 | 3 hours 5 minutes | Late-arriving aircraft |
| 19 June 2026 | 2 hours 24 minutes | Extreme weather |
| 2 September 2025 | 2 hours 6 minutes | Carrier |
| 18 August 2026 | 1 hour 59 minutes | Carrier |
| 30 June 2026 | 1 hour 26 minutes | Late-arriving aircraft |
Delay causes
Why Envoy runs late on this route
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 2,170 reported delay minutes.
- 39%Late-arriving aircraft
- 26%National Airspace System
- 24%Carrier
- 11%Extreme weather
Extreme weather accounts for 11% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the monthly strip above is the more useful view of the risk. The national share is 6%, so this operation carries roughly 1.9 times the usual weather exposure. The split is drawn from 2,170 reported delay minutes.
39% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 2,170 reported delay minutes here, that single category outweighs weather by 4 to one.
Cancellations sit at 1.29% against a national 1.89%, which is ordinary. Diversions add another 0.00%.
Connections and stage length
What a delay here costs
Badly late arrivals are rare here: only 2.6% land an hour or more behind schedule, against 8.3% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.
The 733 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty.
The return leg is a different operation and performs like one: it runs 81.2% on time across 389 flights, 8 points below this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 8 points of difference.
One caution: this is a thin sample. 389 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking Envoy on DFW to SDF
Put together: treat all of this as provisional. 389 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 89.1% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 384 completed flights over 12 months sit behind that.
Related
Where to go next
- DFW to SDF, every carrier
- Envoy on SDF to DFW, the return leg
- PSA Airlines on DFW to SDF83.1%
- American Airlines on DFW to SDF62.1%
- Envoy Air network-wide record
- Dallas/Fort Worth International (DFW) delay statistics
- Same route, different airline: where the carrier you pick matters most
- Why the first flight of the morning is statistically safest
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.