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Route · MSP → SDF · 2020–2025 BTS data

Minneapolis to Louisville

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MSP to SDF (Minneapolis to Louisville) ranks #3023 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.5%
On-time
+4.5 pts
vs US avg
65 min
Delay when late
3,723
Flights
#3023 of 4927
Corpus placement

Cancelled

0.6%

Best Month

Oct 2024 93%

Worst Month

Jun 2024 61%

Distance

604 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Sep 2025 63 6 0 0 OO
Aug 2025 82 17 0 1 OO
Jul 2025 65 12 0 0 OO
Jun 2025 95 19 0 1 OO
May 2025 40 8 0 0 OO
Apr 2025 72 7 2 0 OO
Mar 2025 57 10 0 0 OO
Feb 2025 50 8 0 0 OO
Jan 2025 57 9 2 0 OO
Dec 2024 75 18 0 0 9E,OO
Nov 2024 81 10 0 0 OO
Oct 2024 87 6 0 0 OO
Sep 2024 81 7 0 0 OO,9E
Aug 2024 85 18 2 0 9E,OO
Jul 2024 85 25 1 0 9E,OO
Jun 2024 85 33 1 1 9E,OO
May 2024 90 11 0 0 9E,DL,OO
Apr 2024 72 11 0 0 OO
Mar 2024 57 8 1 1 OO
Feb 2024 49 9 0 0 OO
Jan 2024 57 15 1 0 9E,OO
Dec 2023 57 5 0 0 OO
Nov 2023 52 6 0 0 OO
Oct 2023 55 5 0 0 9E,OO

MSP–SDF seasonal on-time pattern

Best: September (91.1%) · weakest: January (77.8%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 78.5%

Strongest calendar month

September

91.1% on-time · ~62 flights/mo

Busiest calendar month

June

~70 flights/mo avg

Weakest calendar month

January

77.8% on-time · ~53 flights/mo

Cancellation Rate

0.6%

10 of 1,649 flights

Diversion Rate

0.2%

4 of 1,649 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

MSP - Minneapolis

Full on-time, delay-cause, and seasonal performance for Minneapolis, MN.

MSP on-time profile

SDF - Louisville

Full on-time, delay-cause, and seasonal performance for Louisville, KY.

SDF on-time profile

Compare the two airports

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

Compare MSP vs SDF

Origin-hub reliability standing

Mid-pack among MSP departures

From MSP, this corridor sits with 57 other 75–85% on-time routes out of 99 tracked departures, not the hub's reliability leaders (42 at ≥85%) and not the softest ( 0 below 75%). Destination: Louisville · fleet on-time rank #1764 of 4927.

What the Data Says About MSP to SDF

Bureau of Transportation Statistics records show Minneapolis to Louisville (MSP to SDF) running a 83.5% on-time rate over 3,723 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 64.9 minutes. The 604-mile corridor is served by 7 carriers, and over the last 24 months 0.6% of 1,649 flights were cancelled, 0.2% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 93% on-time, while Jun 2024 came in at just 61% - a 32-point swing worth factoring into travel timing.

On the multi-year calendar, MSP–SDF peaks in September at 91.1% on-time while June carries the heaviest traffic (~70 flights per month) ; the softest month is January at 77.8%, a 13.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MSP to SDF rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MSP to SDF ranks #3023 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 MSP to SDF? ▼
Flights from Minneapolis to Louisville have a 83.5% on-time rate based on 3,723 flights. The average delay is 64.9 minutes. The best recent month was Oct 2024 with 93% on-time.
What is the cancellation rate for MSP to SDF? ▼
Over the last 24 months, 0.6% of flights on this route were cancelled (10 of 1,649 flights) and 0.2% were diverted.
How far is the flight from MSP to SDF? ▼
The flight distance from Minneapolis (MSP) to Louisville (SDF) is approximately 604 miles. This route is served by 7 carriers.
When is the best time to fly from MSP to SDF? ▼
The best recent month for on-time performance was Oct 2024 (93% on-time). The worst was Jun 2024 (61% on-time). Consider booking during months with historically better performance.

Airports on this route

MSP Airport

Minneapolis
SDF Airport

Louisville
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 MSP–SDF data

MSP–SDF runs 4.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare MSP and SDF airport profiles: delay causes and top routes differ even on the same corridor. MSP airport
  • If your dates flex, September (91.1% on-time) beats January (77.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.5% 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.