Best Time to Fly SDF to LGA: On-Time Stats by Hour & Airline
Louisville Muhammad Ali International → LaGuardia
Data through July 2026 · Last updated October 18, 2026
1,037 flights were scheduled from Louisville (SDF) to New York (LGA) in the last 12 months, and 83.6% of those that flew arrived on time, 6.0 points above the US average of 77.6%.
Republic Airways was the only reporting airline with regular flights on this route.
September has been the best month (94% on time) and Thursday the weakest day of the week (81%).
4.2% of flights were cancelled, versus 1.8% nationally.
SDF to LGA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airways | 83.6% | 59 min | 4.2% | 1,028 |
| SkyWest Airlines | Limited data | 8 | ||
| American Airlines | Limited data | 1 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SDF to LGA
On-time arrival % by scheduled departure hour (local time), 2,591 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 92.0% | 2.3% | 561 |
| 7am–8am | 89.0% | 0.5% | 211 |
| 8am–9am | 83.6% | 1.7% | 236 |
| 9am–10am | Limited data | 23 | |
| 10am–11am | 97.4% | 0.0% | 39 |
| 11am–12pm | 78.5% | 2.9% | 139 |
| 12pm–1pm | 85.0% | 1.5% | 477 |
| 1pm–2pm | 85.9% | 2.2% | 181 |
| 2pm–3pm | 79.3% | 5.0% | 200 |
| 3pm–4pm | Limited data | 10 | |
| 4pm–5pm | 76.8% | 7.6% | 224 |
| 5pm–6pm | 80.4% | 4.5% | 290 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SDF to LGA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 89.6% | +4.1 pts | 0.0% | 48 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.4% | -10.0 pts | 0.0% | 61 |
| Summer peak (Jun 15 - Aug 15) | 83.9% | -1.5 pts | 6.3% | 427 |
| All other days | 85.4% | — | 2.2% | 2,055 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).