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Route · SDF → DFW · 2020–2025 BTS data

Louisville to Dallas/Fort Worth

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SDF to DFW (Louisville to Dallas/Fort Worth) ranks #1001 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

78.2%
On-time
-0.8 pts
vs US avg
103 min
Delay when late
11,294
Flights
#1001 of 4927
Corpus placement

Cancelled

2.7%

Best Month

Oct 2024 89%

Worst Month

May 2024 60%

Distance

733 mi

Carriers

28

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 153 51 1 0 OH,AA
Nov 2025 159 40 8 0 MQ,OH,OO,AA
Oct 2025 196 41 5 1 AA,OH,OO,MQ
Sep 2025 180 40 6 0 MQ,OH,OO,AA
Aug 2025 185 55 9 2 AA,OO,MQ,NK,OH
Jul 2025 191 52 4 2 AA,NK,OH,MQ
Jun 2025 190 70 7 2 AA,OH,MQ,NK
May 2025 193 57 4 0 AA,MQ,NK
Apr 2025 177 54 7 0 MQ,AA
Mar 2025 173 31 6 0 AA,MQ
Feb 2025 138 39 2 2 AA,OH,MQ
Jan 2025 152 42 19 0 AA,OH,MQ
Dec 2024 161 29 0 1 AA,MQ,OH
Nov 2024 151 30 0 1 MQ,OH,AA
Oct 2024 177 20 0 0 MQ,AA,OH
Sep 2024 184 48 0 1 OH,AA,MQ
Aug 2024 182 39 0 1 AA,MQ,OH
Jul 2024 208 74 2 0 AA,MQ,OH
Jun 2024 204 59 5 1 AA,MQ,OH
May 2024 208 83 19 1 AA,MQ,NK
Apr 2024 180 41 6 1 AA,MQ
Mar 2024 186 35 2 0 AA,MQ
Feb 2024 159 33 0 0 AA,MQ
Jan 2024 161 54 4 0 AA,MQ,OH

SDF–DFW seasonal on-time pattern

Best: November (82.8%) · weakest: June (72.0%)

70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 80.3%

Strongest calendar month

November

82.8% on-time · ~154 flights/mo

Busiest calendar month

July

~177 flights/mo avg

Weakest calendar month

June

72.0% on-time · ~168 flights/mo

Cancellation Rate

2.7%

116 of 4,248 flights

Diversion Rate

0.4%

16 of 4,248 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 profile

DFW - Dallas/Fort Worth

Full on-time, delay-cause, and seasonal performance for Dallas/Fort Worth, TX.

DFW on-time profile

Compare the two airports

See SDF and DFW side by side on delays, cancellations, and reliability.

Compare SDF vs DFW

Origin-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: Dallas/Fort Worth · fleet on-time rank #3796 of 4927.

What the Data Says About SDF to DFW

The Louisville to Dallas/Fort Worth corridor (SDF to DFW) posts a 78.2% on-time rate on the lower edge of the average band, based on 11,294 tracked flights. Late flights run 103.1 minutes behind on average. 28 carriers cover the 733-mile route; over the last 24 months, 116 of 4,248 flights were cancelled (2.7%) and 0.4% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 89% on-time, while May 2024 came in at just 60% - a 29-point swing worth factoring into travel timing.

On the multi-year calendar, SDF–DFW peaks in November at 82.8% on-time while July carries the heaviest traffic (~177 flights per month) ; the softest month is June at 72.0%, a 10.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SDF to DFW rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SDF to DFW ranks #1001 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SDF to DFW? ▼
Flights from Louisville to Dallas/Fort Worth have a 78.2% on-time rate based on 11,294 flights. The average delay is 103.1 minutes. The best recent month was Oct 2024 with 89% on-time.
What is the cancellation rate for SDF to DFW? ▼
Over the last 24 months, 2.7% of flights on this route were cancelled (116 of 4,248 flights) and 0.4% were diverted.
How far is the flight from SDF to DFW? ▼
The flight distance from Louisville (SDF) to Dallas/Fort Worth (DFW) is approximately 733 miles. This route is served by 28 carriers.
When is the best time to fly from SDF to DFW? ▼
The best recent month for on-time performance was Oct 2024 (89% on-time). The worst was May 2024 (60% on-time). Consider booking during months with historically better performance.

Airports on this route

SDF Airport

Louisville
DFW Airport

Dallas/Fort Worth
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–DFW data

SDF–DFW is mid-pack at 78.2% on-time; month and carrier mix move more than the corridor headline.

  • Compare SDF and DFW airport profiles: delay causes and top routes differ even on the same corridor. SDF airport
  • If your dates flex, November (82.8% on-time) beats June (72.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 78.2% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.