Flight OddsDL4647 DTW → BHM
Delta Air Lines · Detroit, MI to Birmingham, AL · 215 flights observed, 2025-07-01 to 2026-06-30 · 625 mi
DL4647 covers more than one route in the data window — the stats below are for DTW → BHM, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-6 min
90th percentile
+33 min
Cancellation rate
0%
How often is DL4647 on time?
Across 215 flights on DTW → BHM from 2025-07-01 to 2026-06-30, DL4647 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +33 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 | 175 | 82% |
| 16-30 min | 12 | 6% |
| 31-60 min | 12 | 6% |
| 61-120 min | 5 | 2% |
| 2+ hrs | 9 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 69% | +25 min |
| 2025-08 | 28 | 93% | -4 min |
| 2025-09 | 24 | 96% | -7 min |
| 2025-10 | 31 | 94% | -1 min |
| 2025-11 | 30 | 83% | +7 min |
| 2025-12 | 18 | 67% | +13 min |
| 2026-01 | 6 | 50% | +17 min |
| 2026-02 | 4 | 50% | +42 min |
| 2026-05 | 20 | 80% | +3 min |
| 2026-06 | 26 | 81% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 36 | 78% |
| Tue | 31 | 84% |
| Wed | 28 | 71% |
| Thu | 35 | 83% |
| Fri | 34 | 85% |
| Sat | 18 | 94% |
| Sun | 31 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…