LGA to SDF flight delays & on-time performance
Nonstop flights from LaGuardia Airport to Louisville Muhammad Ali International Airport · 659 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LGA or SDF right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from New York (LGA) to Louisville (SDF) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 3.7% were cancelled, and 7% arrived an hour or more late.
- Departures scheduled around 9am did best (92% on time); around 6pm did worst (71%).
- Tuesday was the most reliable day to fly (87% on time) and Sunday the least (77%).
- The largest source of delay minutes was late-arriving aircraft (37%).
Which airline is most on time from LGA to SDF?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 88% | 0.0% | 56 min | 12.5% | 8 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 81% | 3.7% | 12 min | 7.3% | 1,027 |
| American Airlines | 0% | 0.0% | 109 min | 100.0% | 1 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am85%20 flights
- 8am86%135 flights
- 9am92%81 flights
- 10am84%77 flights
- 11am82%143 flights
- 12pm82%11 flights
- 1pm86%147 flights
- 2pm84%64 flights
- 4pm75%12 flights
- 5pm79%40 flights
- 6pm71%242 flights
- 7pm72%56 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday81%6.3% cancelled
- Tuesday87%4.4% cancelled
- Wednesday79%2.5% cancelled
- Thursday79%3.2% cancelled
- Friday80%0.6% cancelled
- Saturday86%1.1% cancelled
- Sunday77%6.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft37%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion26%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)42%
- Air traffic control & airport congestion42%
- Extreme weather16%
- Security0%
LGA to SDF: common questions
- How often are LGA to SDF flights on time?
- 81% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from New York to Louisville cancelled?
- 3.7% of scheduled flights were cancelled (38 of 1,036).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 60 min behind schedule on average, and 7.4% of flights were an hour or more late.
- How long is taxi time at LGA?
- Flights on this route spent 27 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SDF to LGA — 84% on time
More flights from New York
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LGA → SDF, nonstop flights by US airlines that report to the DOT. How we calculate this.