Flight OddsDL4815 BNA → DTW
Delta Air Lines · Nashville, TN to Detroit, MI · 53 flights observed, 2025-07-06 to 2025-10-03 · 456 mi
DL4815 covers more than one route in the data window — the stats below are for BNA → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
66%
Median delay
-3 min
90th percentile
+80 min
Cancellation rate
0%
How often is DL4815 on time?
Across 53 flights on BNA → DTW from 2025-07-06 to 2025-10-03, DL4815 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +80 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 35 | 66% |
| 16-30 min | 5 | 9% |
| 31-60 min | 5 | 9% |
| 61-120 min | 6 | 11% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 48% | +20 min |
| 2025-08 | 16 | 81% | +10 min |
| 2025-09 | 12 | 83% | +11 min |
| 2025-10 | 2 | 50% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 50% |
| Tue | 5 | 80% |
| Wed | 5 | 60% |
| Thu | 11 | 73% |
| Fri | 11 | 64% |
| Sat | No data | — |
| Sun | 11 | 73% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…