About 1 in 5 DL 5651 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (22%); 5.5% were cancelled. The typical flight landed 18 minutes early.
DL 5651: LGA → SDF
Scheduled to leave New York at 1:35 p.m. local time, operated by Republic Airways as YX 5651. Over the past year it arrived on time 78% of the time (127 flights), worse than other DL flights on the route at that hour (83%). Last seen in the data Aug 29, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 19 | — |
| Tuesday | 19 | — |
| Wednesday | 19 | — |
| Thursday | 20 | 85% |
| Friday | 20 | 80% |
| Saturday | 12 | — |
| Sunday | 18 | — |
Why it was late
All flights LGA → SDF · Connecting off DL 5651? Check the risk
Questions
How often is DL 5651 from LGA to SDF late?
Delta Air Lines 5651 from New York, NY to Louisville, KY arrived 15 or more minutes late, was diverted or was cancelled on 22% of 127 scheduled flights between September 2025 and August 2026. 5.5% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.