Most delayed flights from SDF: every route ranked
20 regularly flown nonstop routes from Louisville Muhammad Ali International Airport, worst on-time record first (Aug 2025 – Jul 2026). Routes with fewer than 360 flights in the period are listed separately.
| # | Destination | On time | Cancelled | Avg delay | Airlines | Flights |
|---|---|---|---|---|---|---|
| 1 | SDF → BOS Boston, MA | 71% | 2.1% | 20 min | 3 | 708 |
| 2 | SDF → DFW Dallas/Fort Worth, TX | 75% | 3.5% | 30 min | 5 | 2,002 |
| 3 | SDF → BNA Nashville, TN | 79% | 1.0% | 10 min | 1 | 505 |
| 4 | SDF → DCA Washington, VA | 79% | 4.2% | 20 min | 4 | 1,029 |
| 5 | SDF → ORD Chicago, IL | 80% | 2.9% | 16 min | 6 | 2,796 |
| 6 | SDF → MCO Orlando, FL | 81% | 1.9% | 12 min | 3 | 856 |
| 7 | SDF → MSP Minneapolis, MN | 82% | 1.1% | 18 min | 1 | 527 |
| 8 | SDF → MIA Miami, FL | 82% | 1.6% | 24 min | 3 | 429 |
| 9 | SDF → CLT Charlotte, NC | 82% | 2.1% | 20 min | 3 | 1,757 |
| 10 | SDF → PHX Phoenix, AZ | 83% | 1.1% | 9 min | 2 | 372 |
| 11 | SDF → TPA Tampa, FL | 83% | 2.0% | 9 min | 1 | 406 |
| 12 | SDF → DTW Detroit, MI | 83% | 0.9% | 21 min | 4 | 1,128 |
| 13 | SDF → DEN Denver, CO | 84% | 1.0% | 11 min | 2 | 1,097 |
| 14 | SDF → LGA New York, NY | 84% | 4.1% | 10 min | 3 | 1,037 |
| 15 | SDF → PHL Philadelphia, PA | 85% | 2.0% | 13 min | 3 | 608 |
| 16 | SDF → LAS Las Vegas, NV | 85% | 0.8% | 14 min | 3 | 399 |
| 17 | SDF → MDW Chicago, IL | 85% | 1.7% | 10 min | 1 | 977 |
| 18 | SDF → BWI Baltimore, MD | 87% | 1.9% | 10 min | 1 | 891 |
| 19 | SDF → EWR Newark, NJ | 87% | 4.3% | 10 min | 3 | 992 |
| 20 | SDF → ATL Atlanta, GA | 90% | 1.6% | 10 min | 1 | 2,717 |
Less frequent routes
Too few flights for a reliable ranking.
- SDF → DAL (Dallas) 350 flts
- SDF → FLL (Fort Lauderdale) 296 flts
- SDF → HOU (Houston) 283 flts
- SDF → IAD (Washington) 236 flts
- SDF → PGD (Punta Gorda) 155 flts
- SDF → VPS (Valparaiso) 130 flts
- SDF → SFB (Sanford) 127 flts
- SDF → PIE (St. Petersburg) 109 flts
- SDF → SRQ (Sarasota/Bradenton) 80 flts
- SDF → LAX (Los Angeles) 54 flts
- SDF → SAV (Savannah) 21 flts
- SDF → GUF (Gulf Shores) 21 flts
- SDF → RSW (Fort Myers) 13 flts
- SDF → MYR (Myrtle Beach) 9 flts
- SDF → IAH (Houston) 5 flts
- SDF → AUS (Austin) 5 flts
- SDF → JFK (New York) 5 flts
- SDF → SFO (San Francisco) 2 flts
- SDF → SLC (Salt Lake City) 2 flts
- SDF → PIT (Pittsburgh) 2 flts
- SDF → MCI (Kansas City) 1 flts
- SDF → PBI (West Palm Beach/Palm Beach) 1 flts
- SDF → RDU (Raleigh/Durham) 1 flts
- SDF → JAX (Jacksonville) 1 flts
- SDF → MSY (New Orleans) 1 flts
- SDF → SNA (Santa Ana) 1 flts
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.