SDF to LGA flight delays & on-time performance
Nonstop flights from Louisville Muhammad Ali International Airport to LaGuardia Airport · 659 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SDF or LGA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Louisville (SDF) to New York (LGA) arrived on time 84% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 4.1% were cancelled, and 6% arrived an hour or more late.
- Departures scheduled around 6am did best (92% on time); around 5pm did worst (77%).
- Saturday was the most reliable day to fly (87% on time) and Thursday the least (78%).
- The largest source of delay minutes was air traffic control & airport congestion (45%).
Which airline is most on time from SDF to LGA?
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. | 100% | 0.0% | 1 min | 0.0% | 8 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 84% | 4.2% | 10 min | 6.0% | 1,028 |
| American Airlines | 0% | 0.0% | 137 min | 100.0% | 1 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am92%287 flights
- 7am89%45 flights
- 8am79%30 flights
- 10am97%30 flights
- 11am79%130 flights
- 12pm86%68 flights
- 1pm80%25 flights
- 2pm79%199 flights
- 4pm94%18 flights
- 5pm77%197 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday84%5.0% cancelled
- Tuesday81%6.9% cancelled
- Wednesday87%1.3% cancelled
- Thursday78%3.8% cancelled
- Friday87%2.5% cancelled
- Saturday87%1.1% cancelled
- Sunday83%7.2% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion45%
- Airline (crew, maintenance, cleaning, fueling)35%
- Late-arriving aircraft18%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)49%
- Air traffic control & airport congestion37%
- Extreme weather14%
- Security0%
SDF to LGA: common questions
- How often are SDF to LGA flights on time?
- 84% 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 Louisville to New York cancelled?
- 4.1% of scheduled flights were cancelled (43 of 1,037).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 59 min behind schedule on average, and 6.1% of flights were an hour or more late.
- How long is taxi time at SDF?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LGA to SDF — 81% on time
More flights from Louisville
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SDF → LGA, nonstop flights by US airlines that report to the DOT. How we calculate this.