Flight OddsBOS → SDF Delta Air Lines
Delta Air Lines · Boston, MA to Louisville, KY · 347 flights, 2025-07-01 to 2026-06-30 · aggregated across 5 flight numbers
On-time arrival
87%
Median delay
-12 min
90th percentile
+22 min
Cancellation rate
1%
How on-time is Delta Air Lines from BOS to SDF?
Across every Delta Air Lines flight number on BOS → SDF (347 flights, 2025-07-01 to 2026-06-30), 87% arrived within 15 minutes of schedule. Median arrival delay -12 min; the worst 10% ran +22 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 296 | 87% |
| 16-30 min | 17 | 5% |
| 31-60 min | 17 | 5% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 3 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 93% | -8 min |
| 2025-08 | 30 | 93% | -15 min |
| 2025-09 | 30 | 90% | -10 min |
| 2025-10 | 30 | 80% | +1 min |
| 2025-11 | 29 | 90% | -13 min |
| 2025-12 | 28 | 71% | +17 min |
| 2026-01 | 23 | 74% | +5 min |
| 2026-02 | 20 | 70% | -1 min |
| 2026-03 | 30 | 90% | -2 min |
| 2026-04 | 31 | 94% | -11 min |
| 2026-05 | 32 | 94% | -4 min |
| 2026-06 | 30 | 90% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 84% |
| Tue | 50 | 92% |
| Wed | 50 | 92% |
| Thu | 50 | 90% |
| Fri | 50 | 80% |
| Sat | 43 | 91% |
| Sun | 49 | 78% |
DL flight numbers on BOS → SDF
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…