Flight OddsSDF → BOS Delta Air Lines
Delta Air Lines · Louisville, KY to Boston, MA · 347 flights, 2025-07-01 to 2026-06-30 · aggregated across 6 flight numbers
On-time arrival
74%
Median delay
-5 min
90th percentile
+71 min
Cancellation rate
3%
How on-time is Delta Air Lines from SDF to BOS?
Across every Delta Air Lines flight number on SDF → BOS (347 flights, 2025-07-01 to 2026-06-30), 74% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +71 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 249 | 74% |
| 16-30 min | 19 | 6% |
| 31-60 min | 26 | 8% |
| 61-120 min | 33 | 10% |
| 2+ hrs | 10 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 72% | +20 min |
| 2025-08 | 30 | 83% | -3 min |
| 2025-09 | 27 | 37% | +45 min |
| 2025-10 | 29 | 55% | +31 min |
| 2025-11 | 29 | 76% | +36 min |
| 2025-12 | 28 | 86% | -2 min |
| 2026-01 | 22 | 86% | +2 min |
| 2026-02 | 20 | 65% | +6 min |
| 2026-03 | 30 | 83% | +1 min |
| 2026-04 | 31 | 77% | +7 min |
| 2026-05 | 32 | 78% | +6 min |
| 2026-06 | 30 | 83% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 48 | 77% |
| Tue | 52 | 73% |
| Wed | 49 | 73% |
| Thu | 49 | 78% |
| Fri | 50 | 62% |
| Sat | 42 | 83% |
| Sun | 47 | 72% |
DL flight numbers on SDF → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…