Louisville (SDF) to New York (LGA): On-Time Performance
Data through May 2026
When you fly SDF to LGA matters as much as anything else about the booking: the route swung from 96% on-time in September 2024 to just 71% in December 2025. Across the full period the route averages 85% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 80%), which matters most in the rough months.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 2.6%
- Flights/day
- 3.0
- last 12 months
- Duration
- 2h 12m
- scheduled
- Distance
- 659 mi
Best airline from SDF to LGA
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 85% | 10 min | 2.3% | 2,570 |
| SkyWest Airlines | 68% | 37 min | 12.5% | 88 |
Monthly on-time trend
Best time to fly from SDF to LGA
Aim for departures around 10 a.m. (97% on-time); avoid 4 p.m. departures (75%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 86% | 12 min |
| Tuesday | 85% | 9 min |
| Wednesday | 86% | 8 min |
| Thursday | 82% | 10 min |
| Friday | 82% | 17 min |
| Saturdaybest | 88% | 7 min |
| Sunday | 84% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft19%
- Airline operations34%
- National airspace system39%
- Weather8%
Frequently asked questions
- How often are flights from SDF to LGA delayed?
- 15% of SDF–LGA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
- Which airline is most reliable from SDF to LGA?
- Republic Airways has the best on-time record on this route at 85%, based on 2,570 flights. 2 airlines flew SDF–LGA frequently enough to compare in this period.
- What is the best time of day to fly from SDF to LGA?
- Departures around 10 a.m. have the best record (97% on-time), while departures around 4 p.m. have the worst (75%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SDF to LGA?
- The scheduled SDF–LGA flight time averages 2h 12m over 659 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are SDF to LGA flights cancelled?
- 2.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from SDF to LGA?
- December 2025 was the roughest month in this dataset, with only 71% of arrivals on time. The best was September 2024 at 96%. If your dates are flexible, that 25-point gap is worth planning around.
Explore related pages
More routes from SDF
Based on 2,679 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.